Maths Practice Question and Answer
8 Q: If sec x + cos x = 2, then the value of sec16 x + cos16 x will be-
1777 060fe33d83c8ced168c73d0a8
60fe33d83c8ced168c73d0a8- 12true
- 20false
- 31false
- 4√3false
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Answer : 1. "2 "
Q: What is the simplified value of (1– sin A cos A)(sin A + cos A)?
1272 160fe3186f8986716bdf6948b
60fe3186f8986716bdf6948b- 1$$cos^2A – sin^2A$$false
- 20false
- 3$$sin^3A + cos^3A$$true
- 4$$sin^2A – cos^2A$$false
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Answer : 3. "$$sin^3A + cos^3A$$ "
Q: The radius of circle is increased by 1%. How much does the area of the circle increased?
1322 060fe308281fb4616a65629b4
60fe308281fb4616a65629b4- 12.01%true
- 23.302%false
- 30.331%false
- 42.02%false
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Answer : 1. "2.01% "
Q: A solid sphere of diameter 7 cm is cut into two equal halves. What will be the increase (in cm.2) in the total surface area?
1450 160fe2ff8f8986716bdf6937a
60fe2ff8f8986716bdf6937a- 1$$88 cm.^2$$false
- 2$$77 cm.^2$$true
- 3$$56 cm.^2$$false
- 4$$66 cm.^2$$false
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Answer : 2. "$$77 cm.^2$$ "
Q: The multiplication of the age of Rajeev, before 5 years and after 9 years, is 15. What is the present age of Rajeev?
1350 060f937ad3ca0726dff3ae823
60f937ad3ca0726dff3ae823- 16true
- 27false
- 35false
- 48false
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Answer : 1. "6"
Q: What is the value of ½ % in decimals ?
1163 060f937085ae28778f13cdf16
60f937085ae28778f13cdf16- 10.0005false
- 20.005true
- 30.05false
- 40.5false
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Answer : 2. "0.005"
Q: Neena and Meena started a business with investment of Rs. 30,000 and Rs. 45, 000 Respectively. What will be the share of Meena from the profit of Rs.1,50,000 after 2 years?
1418 060f934c216158a5eedaedcdb
60f934c216158a5eedaedcdb- 1Rs. 30,000false
- 2Rs. 45,000false
- 3Rs. 75,000false
- 4None of thesetrue
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Answer : 4. "None of these"
Q: If (a + b) : (b + c) : (c + a) = 6 : 7 : 8 and a + b +c =14, then the value of c=
1395 060f933f816158a5eedaec6fd
60f933f816158a5eedaec6fd- 16true
- 27false
- 38false
- 414false
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