Choose the correct verb form from those in brackets.
The earth _ round the sun.
The earth moves round the sun.
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Improve the bracketed part of the sentence.
The pet has just finished its meal (and is satisfied now).
Simplify
1.53 + 4.73 + 3.83 - 3 x 1.5 x 4.7 x 3.81.52 + 4.72 + 3.82 - 1.5 x 4.7 - 4.7 x 3.8 - 1.5 x 3.8
Apply a3 + b3 + c3 - 3abca2 + b2 + c2 - ab - bc - ca = a + b + c
Hence the answer is 1.5 + 4.7 + 3.8 = 10.
The wind is variable today.
Synonym of the word in bold?
Variable means changes or shifts timely. Hence, synonym of variable is shifting.
If the length of the diagonal of a square is 20cm,then its perimeter must be
a. 402cm b. 302cm c. 10cm d. 152cm
We know that d=√2s
Given diagonal = 20 cm
=> s = 20/2 cm
Therefore, perimeter of the square is 4s = 4 x 20/2 = 402 cm.
Find the odd man out?
396, 462, 572, 427, 671, 264.
Here the given series is 396, 462, 572, 427, 671, 264.
In all the terms, the middle digit is the sum of first and third digit except 427.
So the Odd number in the given series is 427.
25% of 25% Is Equal To
25% of 25% means
25/100 of 25/100
i.e, 1/4 of 1/4
or in other words 1/4 x 1/4=1/16
Hence, the answer is 1/16 = 0.0625.
Some pins are needles. Some needles are handles. Some handles are locks. Some locks are keys.
Conclusions:
I. Some keys are handles
II.Some handles are pins
III. Some pins are keys
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