Mathematics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 190 - 199 of 1201
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Question 190
Question MCQ▾
If 225K is a perfect cube, then the value of K is:
Choices
Choice (4) | Response | |
---|---|---|
a. | 3 | |
b. | 5 | |
c. | 15 | |
d. | 14 |
Question 191
Question 192
Question MCQ▾
The ratio of third proportional to 24 and 60 and the mean proportional between 18 and 50 is:
Choices
Choice (4) | Response | |
---|---|---|
a. | 3: 2 | |
b. | 1: 5 | |
c. | 5: 3 | |
d. | 5: 1 |
Question 193
Question 194
Question MCQ▾
If , the least value of ‘a’ is:
Choices
Choice (4) | Response | |
---|---|---|
a. | 6 | |
b. | 3 | |
c. | 9 | |
d. | Question does not provide sufficient data or is vague |
Question 195
Question 196
Question MCQ▾
The cube of a number is 64 times the cube of another number. If the sum of the cubes of numbers is 8125, the difference of the numbers is:
Choices
Choice (4) | Response | |
---|---|---|
a. | 15 | |
b. | 20 | |
c. | 12 | |
d. | 5 |
Question 197
Question 198
Question 199
Question MCQ▾
The least number of 4 digits which is a perfect square is:
Choices
Choice (4) | Response | |
---|---|---|
a. | 1004 | |
b. | 1016 | |
c. | 1000 | |
d. | 1024 |