6. Write the smallest common multiple of 4, 5 and 6.
(A) 36
(B) 60
(C) 24
(D) 40
Answer:
(B) 60
Explanation:
The smallest common multiple (LCM) is the lowest number that is evenly divisible by all three numbers. Multiples of 6 are 6, 12, 18, 24, 30, 36, 42, 48, 54, 60. The number 60 is the first one that is also divisible by both 4 and 5.
7. The value of (9876-4) ÷ 8 is
(A) 1231
(B) 1234
(C) 1235
(D) 1232
Answer:
(B) 1234
Explanation:
(9876-4) ÷ 8 = 9872 ÷ 8 = 1234the official answer key marks option (B) 1234 as the correct evaluated result.
8. the normal temperature of human body is
(A) 98.6 º F
(B) 100 º F
(C) 102 º F
(D) 95 º F
Answer:
(A) 98.6 º F
Explanation:
The standard, widely accepted “normal” core body temperature for a healthy human being is approximately (which is equivalent to (A) 98.6 º F).
9. The length of a boundary of a closed figure is called
(A) perimeter
(B) area
(C) breadth
(D) length
Answer:
(A) perimeter
Explanation:
In mathematics, the perimeter is explicitly defined as the continuous line forming the boundary of a closed two-dimensional geometric figure.
10. If 100 one rupee coins weigh 485 g, then how much will 10000 coin weigh ?