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(b) is the right answer as only 1 and 2 are grammatically correct and meaningful. In 3, replace TEMPERATURE INCREASED with TEMPERATURE INCREASE as we need a noun here in place of the verb, as denoted by the use of the article THE; articles are used to modify only nouns. INCREASE is a noun while INCREASED is a verb. Hence, 3 is incorrect.
I. x² + 3x – 154 = 0
II. y² + 5y – 126 = 0
22 – 15 + 20 × 18 ÷ 6 – 34 = ?
2/5 of 3/4 of 7/9 of 14400 = ?
7(1/2) – 3(5/6) = ? − 2(7/12)
(24% of 500 - 20) ÷ 25 = ? ÷ 4
14% of 700 + 15% of 900 + 10% of 160 = ?
(64/25)? × (125/512)?-1 = 5/8
36895 - 4256 - 2233 = ?
154 × 7 + 480 × 5 =?% of 6956
What will come in the place of question mark (?) in the given expression?
(30 × 5 + 20) × 2 = ?