Maths Practice Question and Answer
8 Q: A merchant has 1000 kg sugar, some part of which he sells at 8 % profit and the rest at 18 % profit. He gains 14 % on the whole. The quantity sold at 8 % profit is:
1544 05efd3fae7228dd6b06e29173
5efd3fae7228dd6b06e29173- 1400 kgtrue
- 2560 kgfalse
- 3600 kgfalse
- 4640 kgfalse
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Answer : 1. "400 kg"
Q: A shuttlecock used of playing badminton has the shape of a frustum of a cone mounted on a semi sphere. The external diameters of the frustum are 5 cm and 2 cm, the height of the entire shuttlecock is 7 cm. The external surface is of the shuttlecock is:
1544 0600a9eb5baeda263c3c906b6
600a9eb5baeda263c3c906b6- 167.98 sq.cmfalse
- 274.26 sq.cmtrue
- 370 sq.cmfalse
- 472 sq.cmfalse
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Answer : 2. "74.26 sq.cm"
Q: Two numbers are in the ratio 3 : 4. Their L.C.M. is 84. The greater number is
1544 05f08172970ee59767c9e1ac1
5f08172970ee59767c9e1ac1- 128true
- 284false
- 321false
- 424false
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Answer : 1. "28"
Q: A 1.6 m tall observer is 45 metres away from a tower. The angle of elevation from his eye to the top of the tower is 30 °, then the height of the tower in metres is ( Take √3 = 1.732 )
1544 05f0c1af7fce67160728a13a3
5f0c1af7fce67160728a13a3- 127.58true
- 227.98false
- 325.98false
- 426.58false
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Answer : 1. "27.58 "
Q:Directions: Study the following table carefully to answer the questions that follow .
Number of soldiers ( in thousands ) joining five different forces during six different.

Total number of soldiers joining BSF in the years 2004, 2005 and 2006 was approximately what percent of the total number of soldiers joining Navy over all the years together?
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5e82e879d063766356974830Number of soldiers ( in thousands ) joining five different forces during six different.

- 1123true
- 2145false
- 3113false
- 495false
- 583false
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Answer : 1. "123"
Q: The average weight of three men A, Band C is 84 kg. D joins them and the average weight of the four becomes 80 kg. If E whose weight is 3 kg more than that of D, replaces A, the average weight of B, C, D and E becomes 79 kg. The weight of A is:
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5dcb9f2ba09a1624d197adbd- 165 kg .false
- 270 kg .false
- 375 kg.true
- 480kg .false
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Answer : 3. "75 kg. "
Q:Directions: The table given below presents the number of books on different subjects kept on separate shelves subjects with odd and even numbers are of arts and Science respectively
The number of books of S2 is what percent of number of books of S6?
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5ebb658d8e4fa473bcbb4772
- 182.39%false
- 276.31%true
- 371.42%false
- 467.42%false
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Answer : 2. "76.31%"
Q: Six years ago, the ratio of ages of A to B was 7 : 5. After 4 years from now, the ratio of their ages will be 11 : 9. What is A’s age at present?
1543 0649e8497cae316dfef9411dc
649e8497cae316dfef9411dc- 1$$24{1\over 2}years$$false
- 2$$22{1\over 2}years$$false
- 3$$23{1\over 2}years$$true
- 4$$21{1\over 2}years$$false
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