Practice Question and Answer
8 Q: The number of ossicles in the ear of mammals is
2492 064424f9b0d865d025e66385d
64424f9b0d865d025e66385d- 12false
- 23true
- 34false
- 45false
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Answer : 2. "3"
Explanation :
The mammalian middle ear contains three ossicles, which move the vibrations of the eardrum into waves in the liquid and membrane of the inward ear. There are three ossicles in every ear : Malleus, Incus, Stapes. As we have a couple of ears, so altogether there are 6 ossicles, or 3 sets of ossicles.
Q: A man traveled from the village to the post-office at the rate of 25 kmph and walked back at the rate of 4 kmph. If the whole journey took 5 hours 48 minutes, find the distance of the post-office from the village ? 2492 05b5cc74ae4d2b4197774facc
5b5cc74ae4d2b4197774facc- 140 kmfalse
- 230 kmfalse
- 320 kmtrue
- 410 kmfalse
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Answer : 3. "20 km"
Explanation :
Answer: C) 20 km Explanation: Average speed = 2aba+b, here a=25 b=4 = 2 x 25 x 4/(25+4) = 200/29 km/hr. Distance covered in 5 hours 48 minutes = Speed x time = (200/29)x (29/5) Distance covered in 5 hours 48 minutes = 40kms. Distance of the post office from the village = (40/2) = 20 km.
Q: If 3x+0.04x=0.608, find x.
2492 05ebceaa8d33dc17bd4957b88
5ebceaa8d33dc17bd4957b88- 12false
- 20.2true
- 30.02false
- 40.002false
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Answer : 2. "0.2 "
Q: Direction: In the following questions choose the word opposite in meaning to the given word.
CONSPICUOUS
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5f45093809e4377de938ac8cCONSPICUOUS
- 1obviousfalse
- 2obscuretrue
- 3blatantfalse
- 4definitefalse
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Answer : 2. "obscure"
Q: In the following question, select the missing number from the given series.
37, 50, 65, 82, ?, 122
2491 06091eaa2265c9d1ad0123f60
6091eaa2265c9d1ad0123f6037, 50, 65, 82, ?, 122
- 1100false
- 2105false
- 3101true
- 499false
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Answer : 3. "101 "
Q: A retailer buys 40 pens at the marked price of 36 pens from a wholesaler. If he sells these pens giving a discount of 1% on the marked price, what is the profit percent? 2491 05cf11d420b8bee0fb6178ba0
5cf11d420b8bee0fb6178ba0- 19%false
- 210%true
- 3$$10{1\over9}\%$$false
- 411%false
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Answer : 2. "10%"
Explanation :
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Q: Choose the correct preposition:
He lost control of the car and crashed _______ a wall.
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6392d813d319b37ca19900beHe lost control of the car and crashed _______ a wall.
- 1infalse
- 2atfalse
- 3intotrue
- 4onfalse
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Answer : 3. "into"
Explanation :
(C) into - "He lost control of the car and crashed into a wall."
Q: One girl can eat 112 chocolates in half a minute, and her boy friend can eat half as many in twice the length of time. How many chocolates can both boy and girl eat in 12 seconds ? 2491 05b5cc745e4d2b4197774fa27
5b5cc745e4d2b4197774fa27- 144false
- 232false
- 356true
- 449false
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Answer : 3. "56"
Explanation :
Answer: C) 56 Explanation: Girl eats 112 chocolates in 30 sec so she can eat in 12 sec is 12 x 112/30 = 44.8 chocolates. Her boy friend can eat one-half of 112 in twice of 30 sec so he can eat 56 in 60 sec Then he can eat in 12 sec is 56 x 12/60 = 11.2 chocolates. Hence, together they can eat = 44.8 + 11.2 =56 chocolates in 12 seconds.