Practice Question and Answer
8 Q: A goldsmith observes that one of his employees prepares a necklace in 9 hours, while another employee prepares it in 10 hours. If they work together, they stud 10 gems less every hour and thus prepare a necklace in 5 hours, then the number of gems studded in each necklace is:
2554 0614c6e554d59797c590e5ca0
614c6e554d59797c590e5ca0- 11200false
- 21000false
- 3800false
- 4900true
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Answer : 4. "900 "
Q: The x - intercept on the graph of 7x - 3y = 2 is :
2554 05d984b93fbe18005e74ab865
5d984b93fbe18005e74ab865- 1$${3\over 5}$$false
- 2$${3\over 7}$$false
- 3$${2\over 5}$$false
- 4$${2\over 7}$$true
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Answer : 4. "$${2\over 7}$$"
Q: A contractor undertook to complete a piece of work in 120 Days and employed 140 men upon it. At the end of 66 days only half of the work was done,so he put on 25 extra men. By how much time did he exceed the specific time ? 2554 05b5cc709e4d2b4197774f2ad
5b5cc709e4d2b4197774f2ad- 12 daystrue
- 23 daysfalse
- 34 daysfalse
- 45 daysfalse
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Answer : 1. "2 days"
Explanation :
Answer: A) 2 days Explanation: work done=total number of person x number of days;half of work done = 140 x 66;For half of remaining work 25 extra men are added.Therefore, total men for half work remaining = 140 + 25 = 165;Let 2nd half work will be completed in K days;140 x 66 = 165 x KK = 122;Hence, extra days => 122-120 = 2days.
Q: Where was the first Cotton Mill in India established?
2554 05ec35704980ff60a66bdc8e5
5ec35704980ff60a66bdc8e5- 1Suratfalse
- 2Bombaytrue
- 3Ahmedabadfalse
- 4Coimbatorefalse
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Answer : 2. "Bombay "
Q: 'श्याम आया है' वाक्य का काल है?
2553 061248511fe5e7039c255a45b
61248511fe5e7039c255a45b- 1पूर्ण वर्तमानtrue
- 2सामान्य वर्तमानfalse
- 3संभाव्य वर्तमानfalse
- 4तात्कालिक वर्तमानfalse
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Answer : 1. "पूर्ण वर्तमान"
Q:Directions: Read the following information carefully and answer the given questions.
M, A, B, C, Y, and Z are six friends. Each of them has different height. Height of the tallest person is 189 cm. A is taller than only B. Y is shorter than only two people. C is not the tallest. M is neither taller than Z nor shorter than C. The difference between the height of third shortest and the tallest person is 9. M is taller than Y.
How many persons are taller than C?
2553 05ecf4f529eaf5347ec791db0
5ecf4f529eaf5347ec791db0M, A, B, C, Y, and Z are six friends. Each of them has different height. Height of the tallest person is 189 cm. A is taller than only B. Y is shorter than only two people. C is not the tallest. M is neither taller than Z nor shorter than C. The difference between the height of third shortest and the tallest person is 9. M is taller than Y.
- 1Fourfalse
- 2Twofalse
- 3Onefalse
- 4Threetrue
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Answer : 4. "Three"
Q: Which of the following statements about water is false? 2553 05b5cc601e4d2b4197774b462
5b5cc601e4d2b4197774b462- 1There is extensive intramolecular hydrogen bonding in the condensed phase.true
- 2Water is oxidized to oxygen during photosynthesis.false
- 3Ice formed by heavy water sinks in normal water.false
- 4Water can act both as an acid and as a base.false
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Answer : 1. "There is extensive intramolecular hydrogen bonding in the condensed phase."
Explanation :
Answer: A) There is extensive intramolecular hydrogen bonding in the condensed phase. Explanation: Water possess intermolecular hydrogen bonding in the condensed phase. Hence, the given statement 'There is extensive intramolecular hydrogen bonding in the condensed phase.' about water is FALSE.
Q: Which number replaces the '?' in the given series 108, 127, 2413, 2430, 41310, ?, 619875 2552 05b5cc767e4d2b4197774fdf2
5b5cc767e4d2b4197774fdf2- 141975false
- 241325true
- 384375false
- 441365false
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Answer : 2. "41325"
Explanation :
Answer: B) 41325 Explanation: The given series follows a pattern of +19, x19, +17, x17, +15, x15,... Here the number which is to be replaced in ? is 41310+15=41325.