36. All fractions that have the same value are called
(A) equivalent fractions
(B) like fractions
(C) proper fractions
(D) unlike fractions
Answer:
(A) equivalent fractions
Explanation:
Fractions that look different but represent the exact same portion or value (such as ) are mathematically defined as equivalent fractions.
37. The diameter of a circle whose radius is 7 cm is :
(A) 14 cm
(B) 21 cm
(C) 3.5 cm
(D) 44 cm
Answer:
(A) 14 cm
Explanation:
The diameter of any circle is mathematically twice the length of its radius. Therefore, .
38. The difference between smallest and largest possible four-digit number is
(A) 8999
(B) 9990
(C) 8900
(D) Can not be calculated because of incomplete information
Answer:
(A) 8999
Explanation:
The largest possible 4-digit number is 9999. The smallest possible 4-digit number is 1000. Subtracting the two yields: .
39. Numbers which are divisible by both 3 and 4 in the following are.
(A) 1312 and 2012
(B) 2700 and 3700
(C) 4449 and 880.4
(D) 9924 and 1536
Answer:
(D) 9924 and 1536
Explanation:
A number is divisible by both 3 and 4 if it is divisible by their LCM, which is 12. (whole number). (whole number). Therefore, option D contains the correct pair.
40. If all three sides of a triangle are equal, then the triangle is….
(A) equilateral triangle
(B) equivalent triangle
(C) like triangle
(D) some triangle
Answer:
(A) equilateral triangle
Explanation:
In geometry, an equilateral triangle is explicitly defined as a triangle in which all three sides are equal in length (which also makes all three internal angles equal to 60°).
