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Maths questions for NDA, AFCAT, CDS

AFCAT aspirants requested NDAexamresult.com to provide important questions on Numerical Ability. So we have given important numerical ability questions to practice. These Maths questions for NDA, AFCAT, CDS are prepared by our Study material team. We you have some thoughts or queries feel free to contact us.

Maths questions for NDA, AFCAT, CDS

An article costs Rs 50 presently. The rate of inflation is 300 %. What will be cost of this article after two years?
(a) Rs 200

(b) Rs 600

(c) Rs 800

(d) Rs 1000

A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:

(a) Rs. 650

(b) Rs. 690

(c) Rs. 698

(d) Rs. 700

The average weight of 5 men is increased by 2 Kg when one of the men whose weight is 60 Kg is replaced by a new man. The weight of the new man is

(a)70 Kg

(b) 68 Kg

(c) 65 Kg

(d) 50 Kg

The average age of 3 boys is 15 years if there ages are in the ratio of 3:5:7 the of youngest boy is?

(a) 9 years

(b) 8 years

(c) 10 years

(d) 15 years

A merchant who marked his goods up by 50% subsequently offered a discount of 20%. What is the percentage profit that the merchant make after offering the discount?

(a) 30%

(b) 125%

(c) 25%

(d) 20%

(e) 16.66%
Evaluate : (2.39)2 – (1.61)2/ 2.39 – 1.61
(a) 2

(b) 4

(c) 6

(d) 8

A person borrows Rs. 5000 for 2 years at 4% p.a. simple interest. He immediately lends it to another person at p.a for 2 years. Find his gain in the transaction per year?

(a) Rs. 112.50

(b) Rs.150.25

(c) Rs.167.50

(d) Rs.170

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Note: These questions are designed under the supervision of our senior study material team.

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  1. answers with explanations

  2. I want answers with explanations for the questions if possible with short cuts

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