76. In the value 3,487 the digit 4 is at which of the following place?
(a) Ones
(b) Hundreds
(c) Tens
(d) Thousands
Answer:
(b) Hundreds
Explanation:
In the number 3,487, the digit 7 is in the Ones place, 8 is in the Tens place, 4 is in the Hundreds place, and 3 is in the Thousands place.
77. Write the next number in the series 2312, 2912, 3512, …….
(a) 4121
(b) 4212
(c) 4112
(d) 4231
Answer:
(c) 4112
Explanation:
The mathematical pattern is an addition of 600 to each preceding term. 2312 + 600 = 2912. 2912 + 600 = 3512. Applying this rule: 3512 + 600 = 4112.
78. If a marathon runner is running 8 kms in one hour, how much distance the runner will cover in 3 hours?
(a) 24 kms
(b) 28 kms
(c) 18 kms
(d) 20 kms
Answer:
(a) 24 kms
Explanation:
Distance is calculated as Speed × Time. The runner’s speed is 8 km/hour. In 3 hours, the distance covered is 8 × 3 = 24 kms.
79. What is the difference between two different digits made using 4 and 5?
(a) 07
(b) 09
(c) 11
(d) 01
Answer:
(b) 09
Explanation:
The two distinct two-digit numbers that can be formed using the digits 4 and 5 are 54 and 45. The difference between them is 54 – 45 = 9 (represented as 09).
80. Which among the two fractions, 1/4 and 1/6 is greater?
(a) None is greater
(b) 1/6
(c) Both are equal
(d) 1/4
Answer:
(d) 1/4
Explanation:
When comparing fractions with a common numerator (1), the fraction with the smaller denominator is larger, because the whole is divided into fewer, larger pieces. Therefore, 1/4 is greater than 1/6.
