Select the word with the correct spelling.
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In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
A blessing in disguise
Air ___________________ are the substances which contaminate the air.
The third generation anti-tank missile that was successfully test fired by DRDO at Rajasthan is named
If WORK = 7935, ROCK = 3587 and WART = 1945, which digit stands for T?
The ratio 1 : 5 can be expressed in decimal as
P is S's mother's only son's wife. How is P related to S?
The mean of 10 observations is 13. Two more observations are included and the new mean becomes 14. The mean of two new observations is