Mental Ability-Basic Statistics [NCO- Cyber Olympiad (SOF) Class 8]: Questions 1 - 8 of 12
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Question 1
Question 2
Question MCQ▾
A certain sum of simple interest becomes 4 times in 32 years. In how many years will it become six times?
Choices
Choice (4) | Response | |
---|---|---|
a. | 25 years | |
b. | 52 years | |
c. | 48 years | |
d. | 14 years |
Question 3
Question MCQ▾
Richa՚s salary was reduced by . In order to have his salary back to the original amount, the present salary is to be raised by ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 4
Question MCQ▾
A certain sum of simple interest becomes 3 times in 15 years. In how many years will it become five times?
Choices
Choice (4) | Response | |
---|---|---|
a. | 15 years | |
b. | 50 years | |
c. | 40 years | |
d. | 25 years |
Question 5
Question MCQ▾
What least number must be subtracted from 167 to make it a perfect square?
Choices
Choice (4) | Response | |
---|---|---|
a. | 23 | |
b. | 29 | |
c. | 42 | |
d. | 38 |
Question 6
Question MCQ▾
Kushal՚s salary was reduced by . In order to have his salary back to the original amount, the present salary is to be raised by ________.
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 7
Question MCQ▾
What least number must be subtracted from 205 to make it a perfect square?
Choices
Choice (4) | Response | |
---|---|---|
a. | 32 | |
b. | 9 | |
c. | 10 | |
d. | 16 |