Question
If [2a + (1/2a)] = 5, then find the value of [4a² +
(1/4a²) - 6]Solution
[2a + (1/2a)] = 5
On squaring both sides,
Or, 4a² + (1/4a²) + 2 × 2a × (1/2a) = 25
Or, 4a² + (1/4a²) + 2 = 25
So, 4a² + (1/4a²) = 23
Required value = 23 - 6 = 17
Whit
Choose the word with the correct spelling.
A) Adonis B) Adorable C) Handsome D) Powerful
...Find the correctly spelt word .
Out of four alternatives choose the one word which can be substituted for the given words/sentence and indicate the correct answer. .'
Give a...
Mendicant
Select the most appropriate antonym of the given word.Â
PERSEVERANCE
The two parties signed a lengthy _________.
It took a lot of time in making both of them come to a comfortable mutual ___________.
Not man...
Choose the word which is similar in meaning to the given word-
AUDACIOUS
- Choose the alternative which can replace the bold word without changing the meaning of the sentence.
The lawyer’s trenchant arguments left no roo...