if 32 = 2^x, then x = ?

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if 32 = 2^x, then x = ?

A15

B4

C5

D8

Revathi ? Apr 19 '2019 at 12:29

Soln: 2^x = 32

Here, we can write 32 as 2 power 5.

Because, 2×2×2×2×2 = 32 2^x = 2^5

Now, the base are equal. So, the powers also must be equal.

Therefore, we can write that, x = 5.

Thank You

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Mig fighter plane manufacturing unit in Orissa is located at

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Mig fighter plane manufacturing unit in Orissa is located at

ABrahmapur

BSunaveda

CCuttack

DSambalpur

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The famous Kalinga war was fought near

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The famous Kalinga war was fought near

AUdaygiri

BNauli

CBalasore

DBarabati

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Ginger is a

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Ginger is a

Atransformed flower

Btransformed root

Ctransformed stem

Dtransformed leaf

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The first split in indian national congress took place at

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The first split in indian national congress took place at

ASurat

BCalcutta

CAllahabad

DMadras

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Ellora caves of Maharashtra were built during the rule of

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Ellora caves of Maharashtra were built during the rule of

ARashtrakuta

BPallava

CPai

DChola

rajan ? Jan 22 '2019 at 19:46

Answer is: A [Rashtrakuta]

Explanation:

One of the most popular UNESCO World Heritage Sites in India, Ellora caves are also known as Verul. Dating back to the 6th and 10th century, these are a group of Hindu, Buddhist and Jain caves. These stunning man-made monolithic cave temples were carved during the rule of Kalachuri, Rashtrakuta and Chalukya dynasties.

These caves constructed near each other stand for the harmony and solidarity among all faiths and beliefs. A part of the Hindu and Buddhist Caves were built during the Rashtrakuta dynasty, and the Jain Caves were built by the Yadav dynasty.

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The difference between 42% and 28% of a number is 210. What will be 59% of that number ?

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The difference between 42% and 28% of a number is 210. What will be 59% of that number ?

A900

B420

C885

DNone of these

graheshsir ? Jan 12 '2019 at 21:30

Answer is: C [885]

Explanation:

Let the no. be x

⇒ (42% of x) - (28% of x) = 210

 \(⇒ \Big( \frac{42}{100} \Big) \times x\) - \(\Big(\frac{28}{100}\Big) \times x \)= 210

⇒ 42x - 28x = 21000

⇒ 14x = 21000

⇒ x = 1500

59% of 1500

= \(\Big(\frac{59}{100}\Big)\) × 1500

= 59 × 15

= 885

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