Maths Practice Question and Answer
8 Q: By selling 15 mangoes, a fruit seller gains the selling price of 3 mangoes. His gain is
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5ee9abc7eee45c3b8374b6aa- 125%true
- 216%false
- 324%false
- 427%false
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Answer : 1. "25%"
Q: Ankit has three varieties of rice costing 18 Rs/kg,25 Rs/kg and 36 Rs/kg, In what possible ratio he should mix these three varieties so that on selling whole mixture at 23.10 Rs/kg he may get a profit of 10%?
3087 05ebbd58a8dce175b2cbaea71
5ebbd58a8dce175b2cbaea71- 15 : 4 : 2false
- 29 : 3 : 1true
- 33 : 2 : 1false
- 47 : 4 : 3false
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Answer : 2. "9 : 3 : 1"
Q: If a : b =4 : 5, b: c=20 : 11 and c:d =6 : 7, then value of a : b : c : d will be
3084 15f7ee3523c7d8710e0212336
5f7ee3523c7d8710e0212336- 148 : 60 : 33: 77false
- 296 : 120 : 66 : 77true
- 380 : 100 : 44 : 66false
- 456 : 70 : 66 : 77false
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Answer : 2. "96 : 120 : 66 : 77"
Q: By selling an article for Rs. 320, a man incurs a loss of 20%, what should be the selling price of an article to gain 30%?
3082 05eb94b27a445f56aef0937ca
5eb94b27a445f56aef0937ca- 1Rs. 520true
- 2Rs. 690false
- 3Rs. 550false
- 4Rs. 440false
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Answer : 1. "Rs. 520"
Q: Find out the H.C.F of 306, 204 and 136.
3076 05f87f3dfdcf12a01a147a0b7
5f87f3dfdcf12a01a147a0b7- 117false
- 251false
- 368false
- 434true
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Answer : 4. "34"
Q: A tank is fitted with two taps. The first tap can fill the tank completely in 45 minutes and the second tap can empty the full tank in one hour. If both the taps are opened alternately for one minute, then in how many hours the empty tank will be filled completely?
3074 05d984a0e68fda74fcf574195
5d984a0e68fda74fcf574195- 12 hours 55 minutesfalse
- 23 hours 40 minutesfalse
- 34 hours 48 minutesfalse
- 45 hours 53 minutestrue
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Answer : 4. "5 hours 53 minutes"
Q: In the figure below, AB is a chord of a circle with centre O. A tangent AT is drawn at point A so that ∠BAT=50°.Then ∠ADB=?
3072 05d931c619fdacf79284443c5
5d931c619fdacf79284443c5- 1120°false
- 2130°true
- 3140°false
- 4150°false
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Answer : 2. "130°"
Q: Smallest prime number greater than 200? 3071 05b5cc607e4d2b4197774b519
5b5cc607e4d2b4197774b519- 1201false
- 2205false
- 3211true
- 4203false
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Answer : 3. "211"
Explanation :
Answer: C) 211 Explanation: From the trial and error method of division, 201 is divisible by 3 205 is divisible by 5 203 is divisible by 7 Hence, after eliminating three options, remained is 211 and is divisible by only 1 and itself. Therefore, 211 is the smallest prime number greater than 200.