Maths Practice Question and Answer
8Q: Average weight of 10 men increases by 3.5 kg when a man of 50 kg is replaced by a new man what is the age of new person? 1927 05d19d3907619fe30b9d34595
5d19d3907619fe30b9d34595- 185 kgtrue
- 284 kgfalse
- 382 kgfalse
- 480 kgfalse
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Answer : 1. "85 kg"
Explanation :
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Q: Average age of 21 men reduces by 1 year when a man of 32 years is replaced by a child. What is the age of that child? 1926 05d19d5011388cd24f0860efa
5d19d5011388cd24f0860efa- 110 yearsfalse
- 211 yearstrue
- 39 yearsfalse
- 48 yearsfalse
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Answer : 2. "11 years"
Explanation :
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Q: If A and B are the HCF and LCM respectively of two algebraic expressions x and y, and A + B = x + y, then the value of A3 + B3 is
1925 05dca4b85582669277c295f80
5dca4b85582669277c295f80- 1$$x^3-y^3 $$false
- 2$$x^3$$false
- 3$$y^3$$false
- 4$$x^3 + y^3$$true
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Answer : 4. "$$x^3 + y^3$$"
Q: Direction: What should come in place of the question mark (?) in the following number series?
0.5, 2, 9, 35, 104, ?
1925 0619b79ffc1c85f0fbf3af9d3
619b79ffc1c85f0fbf3af9d30.5, 2, 9, 35, 104, ?
- 1217false
- 2207true
- 3239false
- 4195false
- 5189false
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Answer : 2. "207"
Q: If Sonu is driving a car at a speed of 20m/s, then in how much time Sonu will cover a distance of 936 km?
1925 0610c688a7588510aa0d4d324
610c688a7588510aa0d4d324- 118 hrfalse
- 246.8 hrfalse
- 321 hrfalse
- 413 hrtrue
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Answer : 4. "13 hr"
Q: The MRP of a article is 60% above its manufacturing cost. The article is sold through a retailer, who earns 19% profit on his purchase price. What is the approx. profit percentage for the manufacturer who sells his article to the retailer? The retailer gives 15% discount on MRP.
1925 061b1ea7fbcb1f45db0a31608
61b1ea7fbcb1f45db0a31608- 115.2%false
- 214.2%true
- 313%false
- 412.5%false
- 5Can't be determinedfalse
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Answer : 2. "14.2%"
Q: 12 men complete a work in 18 days. Six days after they had started working, 4 men joined them. How many days will all of them take to complete the remaining work?
1924 05dbfba79656bc31fa3165069
5dbfba79656bc31fa3165069- 110 daysfalse
- 212 daysfalse
- 315 daysfalse
- 49 daystrue
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Answer : 4. "9 days"
Q: There are 2 teams - A and B. If 3 people are shifted from Team A to Team B, then Team B has thrice the number of members than Team A. If 2 people are shifted from Team B to Team A, then Team B has double the number of members than Team A. How many members does Team B have originally?
1924 05f0434e4d996064ceba910bd
5f0434e4d996064ceba910bd- 142true
- 245false
- 315false
- 418false
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