Table of Contents
Dear aspirants,
Directions (Q. 1-10): In each of the following questions select the one which is different from other three responses.
निम्नलिखित प्रत्येक प्रश्न में, एक विकल्प का चयन करें जो अन्य तीन विकल्पों से भिन्न है।
Q1.
(a) Electricity / बिजली
(b) Telephone / टेलीफोन
(c)Telegram / टेलीग्राम
(d) Post/पोस्ट
S1. Ans.(a):
Sol. All except Electricity are means of communication.
Q2.
(a) Troop / ट्रूप
(b) Group/ग्रुप
(c) Mob/मोब
(d) Class/क्लास
S2. Ans. (c):
Sol. All except Mob represent well-organized groups.
Q3.
(a) Investigation / जाँच पड़ताल
(b) Analysis / विश्लेषण
(c) Search/ खोज
(d) Conclusion/निष्कर्ष
S3. Ans. (d):
Sol. All others are preliminary stages of an experiment.
Q4.
(a) Infrared Rays
(b) Radio waves
(c) X-rays
(d) Ultraviolet Rays
S4. Ans.(b):
Sol. All except Radio waves are short wavelength radiations.
Q5.
(a) Earthquake/ भूकंप
(b) Storm/ आंधी
(c) Drought/ सूखा
(d) Explosion/ विस्फोट
S5. Ans. (d):
Sol. Except explosion, all others are natural phenomena. Explosion is carried out by human being.
Q6.
(a) 27
(b) 64
(c) 125
(d) 144
S6. Ans. (d):
Sol. Each of the numbers except 144 is a perfect cube.
Q7.
(a) 28
(b) 45
(c) 72
(d) 81
S7. Ans. (a):
Sol. In all other numbers, the sum of the digits is 9.
Q8.
(a) 246
(b) 356
(c) 527
(d) 639
S8. Ans.(b):
Sol. In all other numbers, the sum of the first two digits is equal to the third digit.
Q9.
(a) 361
(b) 484
(c) 566
(d) 529
S9. Ans.(c):
Sol. Each of the numbers except 566 is a perfect square.
Q10.
(a) 500
(b) 413
(c) 112
(d) 433
S10. Ans. (d):
Sol. The number 433 is a prime number.
