56. The place value of the underline digit 13,425,678.
(A) Ten lakh
(B) Lakh
(C) Million
(D) Ten Million
Answer:
(C) Million
Explanation:
Although the underline is missing in the source text, the official answer key marks “Million”. In the International number system, the digit ‘3’ in 13,425,678 occupies the millions place.
57. Round off 875 to the nearest 100.
(A) 800
(B) 870
(C) 1000
(D) 900
Answer:
(D) 900
Explanation:
Rounding 875 to the nearest 100 correctly yields 900
58. An article costing Rs.75 is sold for Rs.135. The profit earned is …………….. .
(A) 35 Rs.
(B) 75 Rs.
(C) 60 Rs.
(D) 65 Rs.
Answer:
(C) 60 Rs.
Explanation:
Profit is calculated as Selling Price minus Cost Price. . The profit earned is Rs. 60.
59. A cuboid has …………………… edges.
(A) 8
(B) 6
(C) 12
(D) 4
Answer:
(C) 12
Explanation:
A cuboid is a three-dimensional geometric shape that possesses 6 rectangular faces, 8 vertices (corners), and exactly 12 edges.
60. Divide (12/20) ÷ (2/5)
(A) 3/2
(B) 2/3
(C) 6/10
(D) 10/6
Answer:
(A) 3/2
Explanation:
To divide fractions, multiply the first fraction by the reciprocal of the second: . This simplifies to , which reduces to .
