Question
Since 1960, there has being an increasing trend of
 land under cereal production at the global level. In each question below, a sentence is given with a part of it printed in bold type. That part may contain a grammatical error. Each sentence is followed by phrases 1), 2), 3) and 4). Find out which phrase should replace the phrase given in bold to correct the error, if there is any, and to make the sentence grammatically meaningful and correct.ÂSolution
The phrase "has being" is incorrect. It should be "has been" to indicate the correct form of the present perfect tense. Option 4 corrects this mistake while retaining the intended meaning of the sentence. "An increasing trend of" is also the correct expression in this context. Therefore, option 4 provides the appropriate correction.
564.932 + 849.029 – 425.08 = 612.095 + ?
44.87% of (39.85 × ?) – 1520.88 0.51 = 1400.8
?% of (128.31 ÷ 15.97 × 75.011) = 419.98
What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.) 
 (799.81/64) ÷ (10/799.92) × (129.84/130) = ?
...- What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.) 
 What approximate value will come in place of the question mark (?) in the following question? (Note: You are not expected to calculate the exact value.)...
A boat can travel 30 km upstream and 45 km downstream in 6 hours. Find the speed of the boat in still water if the speed of the stream is 4 km/h.
? = 200.24 + 1077.97 – 14.992 Â