What is the minimum age (years) for getting elected to the Lok Sabha?

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What is the minimum age (years) for getting elected to the Lok Sabha?

A18

B21

C16

D25

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Pollination by wind is called?

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Pollination by wind is called?

AHydrophily

BPollinophily

CAnemophily

DHerbophily

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If SUN = 108, MOON = 114, what is STAR = ?

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If SUN = 108, MOON = 114, what is STAR = ?

A124

B118

C120

D122

rahul ? Jan 13 '2020 at 22:19

Correct answer is: 118

Explanation:

Assume even numbers for each alphabet. A = 2, B = 4, ... Z = 52.
So, STAR = 38 + 40 + 2 + 36.
=> 118.

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Which of the following is always present in organic compounds?

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Which of the following is always present in organic compounds?

ACarbon

BNitrogen

CSulphur

DPotassium

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Divide 13.680 in three parts such that 1st part is 3/5 th of the third part and the ratio between 2 nd and 3 rd part is 4 : 7. How much is the first part?

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Divide 13.680 in three parts such that 1st part is 3/5 th of the third part and the ratio between 2 nd and 3 rd part is 4 : 7. How much is the first part?

A3780

B6300

C3600

D4800

rahul ? Jan 13 '2020 at 22:30

Correct answer is: 3780

Explanation:

Let the 3rd part be ‘x’.

\(⇒\text{ 1st part} = \frac{3x}{5}\)

\(⇒ \text{2nd part} = \frac{4x}{7}\)

\(13680 = \frac{3x}{5} + \frac{4x}{7} + x\)

\(⇒ 13680 = \frac{76x}{35}\)

⇒ x = 6300

\(\text{1st part} = 3 \times \frac{6300}{5} = 3780\)

∴ The first part = 3780

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Which number will fit in '?' place in the following series? 2, ?, 12, 20, 30, 42

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Which number will fit in '?' place in the following series?
2, ?, 12, 20, 30, 42

A2

B5

C6

D10

rahul ? Jan 13 '2020 at 22:24

Correct answer is: 6

Explanation:

The pattern is 1 x 2, 2 x 3, 3 x 4, 4 x 5, 5 x 6, 6 x 7, 7 x 8.

So, the missing number is 2 x 3 = 6

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At a telephone exchange, three phones ring at intervals of 20 sec, 24 sec and 30 seconds. If they ring together at 11 : 25 a.m. When will they next ring together?

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At a telephone exchange, three phones ring at intervals of 20 sec, 24 sec and 30 seconds. If they ring together at 11 : 25 a.m. When will they next ring together?

A11 : 29 a.m.

B11 : 27 a.m.

C11 : 51 a.m.

D12 : 29 p.m.

rahul ? Jan 14 '2020 at 9:33

Correct answer is: 11:27 a.m.

Explanation:

Time taken by three phones to ring together = LCM of 20, 24 and 30

⇒ Time taken by three phones to ring together = 120 seconds

(? 1 min = 60 seconds)

⇒ Time taken by three phones to ring together = \(\frac{120}{60} = 2 \text{ min}\)

If the three phones ring together at 11:25 am then they will next ring together after 2 minutes i.e. at 11:27 am.

∴ Time at which the phones next ring together = 11:27 am

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