NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 778 - 784 of 1732
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Question 778
Question
MCQ▾Which of the following statement is false?
Choices
| Choice (4) | Response | |
|---|---|---|
a. | , if n is an even integer | |
b. | For any rational number a, | |
c. | If then n = 1 | |
d. | All of the above | |
Question 779
Question
MCQ▾When two line segments meet at a point forming right angle they are said to be ________ to each other.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | Perpendicular | |
b. | Parallel | |
c. | Equal | |
d. | None of the above | |
Question 780
Question
MCQ▾Find the area of the shaded region of the following figure.
ABCD is a rectangle having length 80 cm and breadth 40 cm. P, Q, R and S are midpoints of AB, BC, CD and AD respectively.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 400 | |
b. | 800 | |
c. | 1600 | |
d. | 3200 | |
Question 781
Question
MCQ▾Conjugate surd of is
Choices
| Choice (4) | Response | |
|---|---|---|
a. | ||
b. | ||
c. | ||
d. | ||
Question 782
Question 783
Question
MCQ▾If two angles in a triangle are and , then the third angle is
Choices
| Choice (4) | Response | |
|---|---|---|
a. | ||
b. | ||
c. | ||
d. | ||
Question 784
Question
MCQ▾The identity element w. r. t multiplication in integers is ________.
Choices
| Choice (4) | Response | |
|---|---|---|
a. | 1 | |
b. | -1 | |
c. | 0 | |
d. | None of the above | |