IIT JEE Practice Question and Answer
8Q: A man reduces his travelling time by a fraction of 2/5, as a result the distance covered by the man is increased by 20%, find the percentage increase in the speed of the man ? 1575 05b5cc6c5e4d2b4197774dddc
5b5cc6c5e4d2b4197774dddc- 177%false
- 288%false
- 3100%true
- 499%false
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Answer : 3. "100%"
Explanation :
Answer: C) 100% Explanation:
Q: Molar mass of HNO3? 1575 05b5cc698e4d2b4197774c63b
5b5cc698e4d2b4197774c63b- 163 g/moltrue
- 253 g/molfalse
- 348 g/molfalse
- 452 g/molfalse
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Answer : 1. "63 g/mol"
Explanation :
Answer: A) 63 g/mol Explanation: Calculation of molar mass of HNO3: Atomic masses of H, N, O are 1, 14, 16 respectively Now the molar mass of HNO3 is HNO3 = 1X1 + 1X14 + 3X16 = 1 + 14 + 48 = 63 g/mol or amu.
Q: If a solid sphere of radius 10 cms is moulded into 8 spherical solid balls of equal radius, then surface area of each ball (in sq.cm) is ? 1574 05b5cc6ebe4d2b4197774ee69
5b5cc6ebe4d2b4197774ee69- 1100 πtrue
- 2101/πfalse
- 399 π/12false
- 454/13πfalse
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Answer : 1. "100 π"
Explanation :
Answer: A) 100 π Explanation: 4/3 π x 10 x 10 x 10 = 8 x 4/3 π x r x r x rr = 54π x 5 x 5 = 100π
Q: What position did Babe Ruth play 1574 05b5cc6a4e4d2b4197774cc86
5b5cc6a4e4d2b4197774cc86- 1Only 1st basefalse
- 2Both pitcher and out fieldertrue
- 3Only out fielderfalse
- 4Only pitcherfalse
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Answer : 2. "Both pitcher and out fielder"
Explanation :
Answer: B) Both pitcher and out fielder Explanation:
Q: What time of year do squirrels build nests? 1574 05b5cc655e4d2b4197774bd75
5b5cc655e4d2b4197774bd75- 1Winterfalse
- 2Summertrue
- 3Rainyfalse
- 4Monsoonfalse
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Answer : 2. "Summer"
Explanation :
Answer: B) Summer Explanation: Squirrels typically build leaf nests in the summer by weaving together small branches they've gnawed off of trees. These nests are lined with grass, moss, leaves and pine needles. Both male and female gray squirrels of all ages participate in building dens.
Q: The yield to maturity on a discount bond is 1574 05b5cc65ee4d2b4197774be25
5b5cc65ee4d2b4197774be25- 1equal to both the coupon rate / current yeildtrue
- 2less than the current yeild but greater than the coupon ratefalse
- 3greater than both the coupon rate / current yeildfalse
- 4equal to the current yeild but greater than the coupon ratefalse
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Answer : 1. "equal to both the coupon rate / current yeild"
Explanation :
Answer: A) equal to both the coupon rate / current yeild Explanation: Yield to maturity is a concept for fixed rate bonds and is the internal rate of return i.e. the rate at which future flows are discounted on a compound basis to give the present value of the bond including accrued interest.
Q: Diego Garcia is 1573 05b5cc6afe4d2b4197774d1fb
5b5cc6afe4d2b4197774d1fb- 1An Islandfalse
- 2A Countryfalse
- 3An Oceanfalse
- 4Nonetrue
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Answer : 4. "None"
Explanation :
Answer: D) None Explanation: Diego Garcia is a chain of Islands in the Indian ocean with large military base under British Indian Ocean Territory. The U.S. military facility on the island of Diego Garcia in the Indian Ocean represents a horrific example of the human costs of war and imperialism.
Q: Vision can be affected by drugs and alcohol making, especially difficult to distinguish 1573 05b5cc60de4d2b4197774b609
5b5cc60de4d2b4197774b609- 1Lightfalse
- 2Colorstrue
- 3Distancefalse
- 4Shapesfalse
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Answer : 2. "Colors"
Explanation :
Answer: B) Colors Explanation: Drinking alcohol can cause many damages to your body. Your vision can be affected as you will face blurred and double vision and even you can't identify colors.