50 Additional Quantitative Aptitude Questions for Haryana CET Group C

50 Additional Quantitative Aptitude Questions for Haryana CET Group C

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Below are 50 more practice questions for the Quantitative Aptitude section, covering all key topics (Number System, HCF & LCM, Ratio-Proportion, Percentages, Averages, Profit & Loss, SI & CI, Simplification, Time & Work, Time-Speed-Distance, Fractions, Decimals, and Data Interpretation) as per the latest Haryana CET Group C exam trends. Complete, concise solutions are provided with each.

1.

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If A’s salary is 50% more than B’s and B’s is ₹12,000, what is A’s salary?

Solution: A = 12,000 + 50% of 12,000 = 12,000 + 6,000 = ₹18,000

2.

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Find the LCM of 10, 15, and 25.

Solution: LCM = 2 × 5 × 3 × 5 = 150

3.

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A train travels 180km in 3 hours. What is its speed?

Solution: Speed = 180/3 = 60km/hr

4.

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If the average of 7, 8, 16, and x is 13. Find x.

Solution: (7+8+16+x)/4 = 13 ⇒ 31 + x = 52 ⇒ x = 21

5.

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Find the HCF of 42 and 70.

Solution: Factors: 42 = 2×3×7 70 = 2×5×7 HCF = 14

6.

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A and B together complete work in 10 days. Alone, A takes 15 days. How many days will B alone take?

Solution: A: 1/15 per day; Both: 1/10 per day B: 1/10 - 1/15 = (3-2)/30 = 1/30; So, 30 days

7.

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Simplify: 18 ÷ [2 + 7 × 2]

Solution: = 18 ÷ [2 + 14] = 18 ÷ 16 = 1.125

8.

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If 40% of x = 120, find x.

Solution: x = 120/0.4 = 300

9.

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What is 2/5 of 550?

Solution: = (2/5) × 550 = 220

10.

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A shopkeeper gives 10% discount on an item marked ₹500. Find selling price.

Solution: Discount = 10% of 500 = 50 SP = 500 – 50 = ₹450

11.

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SI on ₹2,500 at 8% for 3 years?

Solution: SI = 2500×8×3/100 = ₹600

12.

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What is the value of 2.4 × 0.5?

Solution: = 1.2

13.

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The sum of digits in the smallest 4-digit number is?

Solution: Smallest 4-digit: 1000 ⇒ 1+0+0+0 = 1

14.

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If the radius of a circle is 7cm, what’s its perimeter? ($\pi = 22/7$)

Solution: 2×$\pi$×7 = 2×22 = 44cm

15.

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How many prime numbers between 10 and 30?

Solution: 11,13,17,19,23,29 ⇒ 6

16.

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If 5x = 75, find $x^2$.

Solution: x = 15; $15^2 = 225$

17.

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What is 0.25 as a fraction?

Solution: = 25/100 = 1/4

18.

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If 15 oranges cost ₹60, what is cost of 8 oranges?

Solution: 1 orange = 60/15 = ₹4; 8×4 = ₹32

19.

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Find the next term: 3, 6, 12, 24, ___

Solution: Multiply by 2: 24×2 = 48

20.

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Profit when CP = ₹200, SP = ₹220?

Solution: Profit = 220–200 = ₹20 %Profit = 20/200 ×100 = 10%

21.

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If 3/7 of a number is 81, what is half of the number?

Solution: Number = 81×7/3 = 189 Half = 189/2 = 94.5

22.

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Find the average of first 10 natural numbers.

Solution: Sum = 55; Average = 55/10 = 5.5

23.

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If a car covers 100km in 2hr 30min, what is speed in km/hr?

Solution: 2.5 hr; Speed = 100/2.5 = 40km/hr

24.

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If a sum triples in 8 years at SI, what is rate?

Solution: 2P = S.I.; So, SI = P, T=8 P = (P×R×8)/100; R = 12.5%

25.

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10% of 10% of 1000 = ?

Solution: 10% of 1000 = 100; 10% of 100 = 10

26.

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If 8 men complete work in 12 days, in how many days will 6 men do it?

Solution: Men×days same: 8×12=6×x ⇒ x=16

27.

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Express 0.02 as a percentage.

Solution: = 0.02 × 100 = 2%

28.

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Find the sum: 3/4 + 2/3

Solution: = (9+8)/12 = 17/12 = 1.416…

29.

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If SP is ₹360, loss is 10%. Find CP.

Solution: CP = SP/0.9 = 360/0.9 = ₹400

30.

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The ratio of 80cm to 2m is?

Solution: 2m = 200cm; 80:200 = 2:5

31.

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Simplify: 3^2 + 4^2

Solution: 9 + 16 = 25

32.

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Find next term: 1, 4, 9, 16, ___

Solution: n^2; next is 25

33.

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If x% of 400 = 80, find x.

Solution: x = 80/400 × 100 = 20

34.

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Find the difference between LCM and HCF of 15 and 20.

Solution: LCM=60, HCF=5; Difference=55

35.

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If the denominator of a fraction is increased by 2 it becomes 1/3; the numerator is 2. What is the original fraction?

Solution: 2/(x+2)=1/3 ⇒ x+2=6 ⇒ x=4 Original: 2/4 = 1/2

36.

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In how many years will ₹1,500 double at 12.5% SI?

Solution: Time = 100/12.5 ×1 = 8 years

37.

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Multiply: (2.4) × (3.5)

Solution: 2.4×3.5=8.4

38.

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If 6 workers can paint a wall in 8 hours, how many hours for 4 workers?

Solution: 6×8=4×x ⇒ x=12 hours

39.

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Find value: 36 ÷ 4 × 5

Solution: 9×5=45

40.

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If ‘x’ is 20% more than ‘y’, ‘y’ is what percent less than ‘x’?

Solution: Let y=100, x=120; Diff=20/120×100=16.67%

41.

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The sum of interior angles of a quadrilateral is?

Solution: (4-2)×180=360°

42.

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If average of 4, 6, x is 8. Find x.

Solution: (4+6+x)/3=8 → x=14

43.

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Solve: 24% of 150 + 75% of 80

Solution: 24%×150=36; 75%×80=60; Sum=96

44.

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If P:Q = 2:3 and Q:R = 4:5, what is P:Q:R?

Solution: Q=12 (LCM), so P=8,Q=12,R=15; So 8:12:15

45.

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If average marks of 10 students is 60. New student joins, average becomes 61. Find marks of new student.

Solution: Total = 600; After join: 11×61=671; Diff=71

46.

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15 is 25% of which number?

Solution: x=15/0.25=60

47.

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If CP is ₹300, SP is ₹294, find loss percentage.

Solution: Loss=6; Loss%=6/300×100=2%

48.

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The perimeter of a rectangle is 60cm, length is 20cm. Find breadth.

Solution: 2(l+b)=60 ⇒ b=10

49.

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Find cube root of 27

Solution: = 3

50.

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A shopkeeper marks up goods by 40% and gives 10% discount. What is net profit %?

Solution: Net SP = 1.4×0.9=1.26 ⇒ 26% profit

Practicing these problems will help any Haryana CET Group C aspirant become comfortable with the pattern, speed, and logic required for the Quantitative Aptitude section.^{123 45678910111213141516171819}