16. Of the three numbers, second is twice the first and is also thrice the third. If the average of the three numbers is 44, find the largest number?
a) 72
b) 68
c) 70
d) 69
Answer:
a) 72
Explanation:
Let the numbers be A, B, C. We know B = 2A = 3C, so A = B/2 and C = B/3. Their sum is 44 * 3 = 132. So B/2 + B + B/3 = 132 => 11B/6 = 132 => B = 72. B is the largest.
17. Shefali is the sister of the son of Alok’s son. How is Shefali related to Alok?
a) Sister
b) Grandmother
c) Niece
d) Granddaughter
Answer:
d) Granddaughter
Explanation:
The “son of Alok’s son” is Alok’s grandson. Shefali is the sister of Alok’s grandson, meaning Shefali is also the child of Alok’s son. Therefore, Shefali is Alok’s granddaughter.
18. The two main memory types are
a) Primary and secondary
b) Random and sequential
c) ROM and RAM
d) All of the above
Answer:
c) ROM and RAM
Explanation:
In fundamental computer architecture terminology, “main memory” (or primary memory) specifically consists of RAM (Random Access Memory) and ROM (Read-Only Memory).
19. Which of the following did not recognize the Vedas?
a) Buddhists
b) Jains
c) Materialists
d) All of the above
Answer:
d) All of the above
Explanation:
Buddhism, Jainism, and Materialism (Charvaka) are all classified as ‘Nastika’ or heterodox schools of Indian philosophy precisely because they reject the authority of the Vedas.
20. 65% of a number is 21 less than 4/5 of that number. What is the number?
a) 134
b) 145
c) 140
d) 138
Answer:
c) 140
Explanation:
Let the number be x. 4/5 is 80%. The equation is 80% of x – 65% of x = 21. This means 15% of x = 21. Therefore, x = 21 / 0.15 = 140.
