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Arithmetic & Mental Ability – KLEE 2025 5-Year LLB

Click an option to check your answer, or click View Answer. Exam held on 1 June 2025 · Paper code 20/2025/OL.

64.

The prime factors of 210 are

  1. A. 6, 5 and 7
  2. B. 2, 15 and 7
  3. C. 2 , 3 and 35
  4. D. 2, 3, 5 and 7

Answer: Option D

Explanation:

210 = 2 × 3 × 5 × 7. The prime factors are 2, 3, 5 and 7 (6, 15 and 35 are not prime).

65.

Which one of the following number can divide 454545 completely ?

  1. A. 11
  2. B. 8
  3. C. 9
  4. D. 14

Answer: Option C

Explanation:

Digit sum of 454545 = 27, which is divisible by 9, so 9 divides 454545. It is odd (not divisible by 8 or 14) and fails the test for 11.

66.

An item costs Rs. 250. If the item is sold for Rs.280, then the profit percentage is

  1. A. 12%
  2. B. 15%
  3. C. 20%
  4. D. 10%

Answer: Option A

Explanation:

Profit = 280 − 250 = 30. Profit % = 30 ÷ 250 × 100 = 12%.

67.

The average weight of 10 objects is 45 kg. If another object of weight 56 kg is added, then the average weight of the 11 objects, is

  1. A. 47
  2. B. 46
  3. C. 48
  4. D. 49

Answer: Option B

Explanation:

Total of 10 objects = 450 kg. With 56 kg added: 506 ÷ 11 = 46 kg.

68.

The length and breadth of a rectangular shaped room are 15 units and 12 units respectively. If the room is extended by increasing both the length and breadth by 1 unit, then the floor area of the extended room is

  1. A. 218 sq.units
  2. B. 206 sq.units
  3. C. 208 sq.units
  4. D. 218 sq.units

Answer: Option C

Explanation:

New length = 16, new breadth = 13. Area = 16 × 13 = 208 sq.units.

69.

A can do a work in 15 days. Both A and B together can do the same work in 6 days. Then B alone can do the same work in

  1. A. 14 days
  2. B. 12 days
  3. C. 8 days
  4. D. 10 days

Answer: Option D

Explanation:

B's one-day work = 1/6 − 1/15 = 5/30 − 2/30 = 3/30 = 1/10, so B alone takes 10 days.

70.

An amount of Rs.18000 has to be paid to A and B in the ratio 5 : 4. Then A will get

  1. A. Rs.9000
  2. B. Rs.11000
  3. C. Rs.10000
  4. D. Rs.8000

Answer: Option C

Explanation:

A's share = 5/9 × 18000 = Rs. 10000.

71.

Rs. 1000 is deposited in a bank at the rate of 7% simple interest for 5 years. The maturity amount is

  1. A. Rs.1250
  2. B. Rs.1350
  3. C. Rs.1450
  4. D. Rs.1400

Answer: Option B

Explanation:

SI = 1000 × 7 × 5 ÷ 100 = 350. Maturity amount = 1000 + 350 = Rs. 1350.

72.

The greatest number among the fractions 1/5 , 1/4, 1/11 , 1/13 is

  1. A. 1/5
  2. B. 1/4
  3. C. 1/11
  4. D. 1/13

Answer: Option B

Explanation:

With the same numerator, the fraction with the smallest denominator is greatest: 1/4.

73.

A man buys an item for Rs. 1200 and sells it at a gain of 15%. The selling price of the item is

  1. A. Rs. 1370
  2. B. Rs. 1270
  3. C. Rs. 1350
  4. D. Rs. 1380

Answer: Option D

Explanation:

Selling price = 1200 × 1.15 = Rs. 1380.