" 7."[[4,5],[3,4]]" INCRRT] "

Let f" ":" "{2," "3," "4," "5}-> {3," "4," "5," "9} and g" ":" "{3," "4," "5," "9} ->{7," "11 ," "15} be functions defined as f" "(2)" "=" "3 , f" "(3)" "=" "4 , f" "(4)" "=" "f" "(5)" "=" "5 and g" "(3)" "=" "g" "(4)" "=" "7 and g" "(5)"

In a 'tree plantation' project of a certain school there are 45 students of 'Harit Sena'.The record of trees planted by each student is given below:3, 5, 7, 6, 4, 3, 5, 4, 3, 5, 4, 7, 5, 3, 6, 6, 5, 3, 4, 5, 7,3, 5, 6, 4, 4, 3, 5, 6, 6, 4, 3, 5, 7, 3, 4, 5, 7, 6, 4, 3, 5, 4,4,7 Prepare frequency distribution table of the data.

If A={:[(4,-2),(3,-1),(2,5)]:}andB={:[(-7,2),(5,9),(3,4)]:} , then 2A+7B=

Median of the numbers 4,4,5,7,6,7,7,3,12 is (i) 4 (ii) 5 (iii) 6 (iv) 7

If A = { 3 , 5 , 7 , 9 , 4 }, B = { 1, 3, 5 } , C = { 2, 4, 6 ,7 } ; then A - { B ∩ C } =

Find the missing term in the given series? 1,3,5, 7, 2, 4, 6,3,5, 7, 2,4, 5,7, 2,?

2/5 of 3'4/7 = "____"

Compute : 2{:[(2,3,4,1),(-5,11,6,7)]:}+5{:[(11,13,-3,4),(5,-3,4,-7)]:}-6{:[(6,12,4,-2),(-3,5,11,7)]:} .

What should come next in the following number series ? 3 4 4 3 4 4 5 3 4 4 5 6 3 4 4 5 6 7 3 4 4 5 6 1) 4 2) 5 3) 6 4) 7 5) None of these