Anemia is caused by the deficiency of which vitamin in

2660.03 ÷ 94.98 x 59.9 = ? + 20.32

What is the smallest integer that should be subtracted from 653 to make it divisible by both 23 and 27?

( 1000)^1/3  × 10.11 × 4.97 ÷ 10.32 =? – 15.022

[(2/3 of 899.79) + 25% of 500.21] × (√195.77 + 30.03% of 399.79) = ?

15.23² + 19.98% of 539.99 = ? × 8.99

(29.98% of 9840) + ? + (19.899% of 8490) = 7560

 (1782 ÷ 11.98) ÷ 2.92 × 35.89 + 25% of 541 – 67% of 1299 = ?

What approximate value will come in place of question (?) in the following given expression? You are not expected to  calculate the exact value.

What approximate value will replace the question mark (?) in the following?

What approximate value will come in place of question (?) in the following given expression? You are not expected to  calculate the exact value.