GATE प्रश्न और उत्तर का अभ्यास करें
8प्र: Find the Missing number in the given number series? 5, 9, 15, 23, ?, 45 2798 05b5cc6a7e4d2b4197774ce1d
5b5cc6a7e4d2b4197774ce1d- 133true
- 229false
- 331false
- 435false
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उत्तर : 1. "33"
व्याख्या :
Answer: A) 33 Explanation: The given series follows a pattern that, +4, +6, +8, +10, +12... 5 5 + 4 = 9 9 + 6 = 15 15 + 8 = 23 23 + 10 = 33 33 + 12 = 45 Hence, the missing number in the series is 33.
प्र: A tailor has 37.5 metres of cloth and he has to make 8 pieces out of a metre of cloth. How many pieces can he make out of half of the cloth he has ? 2794 05b5cc6dfe4d2b4197774eb0c
5b5cc6dfe4d2b4197774eb0c- 1300false
- 2150true
- 3175false
- 4200false
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उत्तर : 2. "150"
व्याख्या :
Answer: B) 150 Explanation: Half of the cloth = 37.5/2 From 1 meter he will make 8 pieces=> in 37.5/2 ---- ? 37.5/2 x 8 = 150.
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उत्तर :
व्याख्या :
90 D in a R A => 90 degrees in a Right Angle. This is similar to 26 L of the A = 26 Letters of the Alphabet 12 S of the Z.
प्र: Two bottles contains mixture of milk and water. First bottle contains 64% milk and second bottle contains 26% water. In what ratio these two mixtures are mixed so that new mixture contains 68% milk? 2787 05b5cc626e4d2b4197774b82a
5b5cc626e4d2b4197774b82a- 13 : 2true
- 22 : 1false
- 31 : 2false
- 42 : 3false
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उत्तर : 1. "3 : 2"
व्याख्या :
Answer: A) 3 : 2 Explanation: % of milk in first bottle = 64% % of milk in second bottle = 100 - 26 = 74% Now, ATQ 64% 74% 68% 6 4 Hence, by using allegation method, Required ratio = 3 : 2
प्र: Assertion( 2787 05b5cc758e4d2b4197774fbd5
5b5cc758e4d2b4197774fbd5- 1: Most of the Himalayan rivers are perennial.Reason(R) : They are fed by melting snow. A) R correctly explains Atrue
- 2R is true but A is falefalse
- 3A is true but R is falsefalse
- 4A) R correctly explains A B) R is true but A is fale C) A is true but R is false D)false
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उत्तर : 1. ": Most of the Himalayan rivers are perennial.Reason(R) : They are fed by melting snow.
A) R correctly explains A"
व्याख्या :
Answer: A) R correctly explains A Explanation: Most Himalayan rivers are perennial because they are fed by the melting snow throughout the year.Thus, both A and R are true & R correctly explains A.
प्र: Which fraction comes next in the sequence 23, 13, 527, 781, ? 2784 05b5cc758e4d2b4197774fbda
5b5cc758e4d2b4197774fbda- 11/27true
- 211/278false
- 39/48false
- 47/123false
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उत्तर : 1. "1/27"
व्याख्या :
Answer: A) 1/27 Explanation: Clearly, the numerators of the fractions in the given sequence follow the series of 2, 3, 5, 7,... and the denominator follows 3, 9, 27, 81, 243, ...Then, the next term in the given sequence is 935 = 9243 = 127 .
प्र: What has Hands But cannot Clap? 2783 05b5cc6afe4d2b4197774d221
5b5cc6afe4d2b4197774d221- 1Toyfalse
- 2Clocktrue
- 3Bagfalse
- 4Shirtfalse
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उत्तर : 2. "Clock"
व्याख्या :
Answer: B) Clock Explanation: What has Hands But cannot Clap is a Clock or a Watch. A Clock technically has 3 hands. 1 Hour Hand Which tells Hours 1 Minute Hand Which tells Minutes 1 Second Hand Which tells Seconds. But cannot clap with these hands.
प्र: The arithmetic mean of the following numbers 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6 and 7, 7, 7, 7, 7, 7, 7 is ? 2777 05b5cc6dee4d2b4197774ea60
5b5cc6dee4d2b4197774ea60- 16false
- 29false
- 37false
- 45true
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उत्तर : 4. "5"
व्याख्या :
Answer: D) 5 Explanation: Arithmatic mean = sum/members => (1x1 + 2x2 + 3x3 + 4x4 + 5x5 + 6x6 + 7x7) / (1 + 2 + 3 + 4 + 5 + 6 + 7) => 140/28 = 5

