# Mathematics Quiz For RRB NTPC : 8th January 2020

Q1. The perimeters of a square and a rectangle are equal . If their area be ‘A’ m2 and ‘B’ m2 then correct statement is:
(a) A < B
(b) A ≤ B
(c) A > B
(d) A ≥ B

Q2. What will be the percentage of increase in the area of a square when each of its sides is increased by 10%?
(a) 20
(b) 11
(c) 121
(d) 21

Q3. ABCD is a cyclic trapezium with AD || BC . If ∠A = 105°, then other three angles are
(a) ∠B = 75°, ∠C = 75°, ∠D = 105°
(b) ∠B = 105°, ∠C = 75°, ∠D = 75°
(c) ∠B = 75°, ∠C = 105°, ∠D = 75°
(d) ∠B = 105°, ∠C = 105°, ∠D = 75°

Q4. The ratio of circumradius and inradius of an equilateral triangle is:
(a) 1 : 2
(b) 3 : 1
(c) 2 : 1
(d) 1 : 3

Q5. When a number is divided by 56, the remainder is 29. If the same number is divided by 8, then the remainder will be
(a) 6
(b) 7
(c) 5
(d) 3

Q6.
(a) 1
(b) 0
(c) – 1
(d) 2

Q7. The average of fruits offered in a temple in a week was 75. The average of fruits offered in six days excluding Tuesday was 72. How many fruits were offered on Tuesday?
(a) 90
(b) 93
(c) 72
(d) 92

Q8. The price of a shirt after 15% discount, is Rs.119. What was the marked price of the shirt before discount
(a) Rs. 129
(b) Rs. 140
(c) Rs. 150
(d) Rs. 160

Q9. The average of a, b, c is 20 and that of b, c, d is 25; if d = 30, then the value of a is:
(a) 25
(b) 45
(c) 30
(d) 15

Q10. A store sells a watch for a profit of 25% of the cost. Then the percentage of profit against selling price is:
(a) 22%
(b) 20%
(c) 18%
(d) 15%

Solutions:

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