What gas do plants take in for photosynthesis?
Correct answer is: C. Carbon dioxide
Plants take in carbon dioxide (CO2) during photosynthesis.
What comes next? 121,144,169,196?
Correct answer is: A. 225
Sequence: 11²=121, 12²=144, 13²=169, 14²=196, 15²=225.
Sequence: 4,9,19,39?
Correct answer is: B. 79
Pattern: Multiply by 2 and add 1: 4×2+1=9, 9×2+1=19, 19×2+1=39, 39×2+1=79.
Draw analogy: Book: Reading: Fork: ?
Correct answer is: C. Eating
Analogy: Book is for Reading, Fork is for Eating.
Draw analogy: Hand: Glove: Foot: ?
Correct answer is: A. Sock
Analogy: Hand wears Glove, Foot wears Sock.
Please mention the odd one out:
Correct answer is: D. Plastic
Plastic is synthetic while others are natural precious materials.
If 25% of a number is 20, then number is?
Correct answer is: C. 80
25% of x = 20 → x = 20 × 100/25 = 80.