Directions (next five questions) : What will comes in place of question mark (?) in the given questions :
?%of 1239.96+59.87%of 449.95=579.05
⇒ 1240×?/100+450×60/100=579
⇒ 124×?/10+270=579
⇒ 124×?/10=309
⇒ ?=3090/124
⇒ ?= 25
3214.99+285.02+600.02-4.01=?
19.99×15.98+224.98+125.02=?
√197×6.99+626.96=?
421 ÷35×299.97÷25.05= ?2
24 men can finish a piece of work in 18 days. 30 women can finish the same piece of work in 12 days. In how many days 16 men and 24 women together can finish the same piece of work