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RRB NTPC SAMPLE PAPER - ARITHMETIC - 246


RRB NTPC SAMPLE PAPER - ARITHMETIC - 246


1. Between a square of perimeter 44 cm and a circle of circumference 44 cm, which figure has larger area and by how much?

(a) Square, 33cm3
(b) Circle, 33 cm3
(c) Both have equal area.
(d) Square, 495 cm2

2. The average of 7 consecutive numbers is 20. The largest of these numbers is

(a) 24
(b) 23
(c) 22
(d) 20

3. The average age of 14 girls and their teacher’s age is 15 years. If the teacher’s age is excluded, the avrage reduces by 1. What is the teachers age?’

(a) 35 years
(b) 32 years
(c) 30 years
(d) 29 years

4. The average age of four brothers is 12 years. If the age of their mother is also included, the average is increased by 5 years. The age of the mother (in years) is

(a) 37 years
(b) 43 years
(c) 48 years
(d) 53 years

5. If 3 toys are sold at the cost price of 4 toys of the same kind, the profit will be

(a) 25%
(b) 100/3%
(c) 200/3%
(d) 50%

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Answer:

1. (b) 2. (b) 3. (d) 4. (a) 5. (b)

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