RRB Junior Engineer Model Question Papers - Numerical Aptitude Part 2
11) One person took a loan of Rs. 5000 for 3 yrs on simple interest. After three years he paid back Rs. 6200 including the principal and the interest accrued. Calculate the rate of interest.
(a) 6%
(b) 7%
(c) 8%
(d) 7.5%
Ans:- C
12) A mixture of 20 kg of spirit and water contains 10% water. How much water must be added to this mixture to raise the percentage of water to 25%
(a) 4 kg
(b) 5 kg
(c) 8 kg
(d) 30 kg
Ans:- A
13) Free International CallsSMS & Call Friends for Free across the World. Call Now! Safe Feed Of My BabyFor Safe Feeding And Healthy Baby, visit.Your Ad HereA conical tent of radius 12m and height 16m is to be made. Find its cost if canvas is Rs. 10 per m2
(a) Rs 7543
(b) Rs 7445
(c) Rs 7342
(d) 7600
Ans:- A
14) A number when divided by 5 leaves the remainder 3. What is the remainder when the square of the same number is divided by 5?
(A) 9
(b) 3
(c) 0
(d) 4
Ans:- D
15) Minimum number that should be added to 23087 to make it completely divisible by 8 is ......
(a) 1
(b) 2
(c) 3
(d) 4
Ans:- A
16) The difference between the squares of any two consecutive integers is equal to
(a) Product of two numbers
(b) Sum of two numbers
(c) Difference of two numbers
(d) An even number
Ans:- B
17) If 42 men can do a work in 15 days, how many men are required to complete it in 21 days?
(a) 24
(b) 36
(c) 30
(d) none of these
Ans:- A
18) The diagonal of a square A is x + y. The diagonal of a square 'B' with twice the area of A is
(a) 2(x + y)
(b) x + 2y
(c) √2 (x + y)
(d) 2x + 4y
Ans:- C
19) 74 is divided into two parts so that 5 times one part and 11 times the others part are together equal to 454. Then the parts are
(a) 14,60
(b) 60,14
(c) 30,44
(d) 20,34
Ans:- B
20) Ratio of costs of a table and a chair is 5:3 . If the tables cost Rs. 500 more than the cost of chair's, what is the chair's cost?
(a) Rs. 1250
(b) Rs. 1750
(c) Rs. 1450
(d) Rs. 750
Ans:- D
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