,
then is equal to
i) ii)
iii) iv)
_______ ________ ___ ______.
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Using the result C(n, r) + C(n, r -1) = C(n +1, r), computeC(8,5) +C(8,4) .
A Tangram is a shape that is divided into different pieces, which can then be rearranged to make lots of shapes. The first tangram was invented in china and is as given below:
Identify the quadrilaterals and triangles in the shape and name the type of each one, Create another shape using the different pieces given in the given shape following the rule: Whole side must match whole sides with edges meeting each other.
Perform the following steps listed below and check whether the answer is a multiple of 9?
Step-1 Choose a number between 100 and 1000
Step-2 Interchange its first and last digits to make another number
Step-3 Subtract the small number from the largest number
Step-4 Repeat step-2 for the number obtained in step-3
Step-5 Now add the numbers obtained in step-3 and step-4.
Try with some other starting number between 100 and 1000 and check whether the answer is a again a multiple of 9.
Find a formula for the general term of the sequence by looking at the first five terms of the sequence.
If a = 14 ,b = 40 ,c = 04 and d = 41, then
1) a = b 2) b = c
3) a = c 4) a = d
If the length and width of a tape are 2m and 28cm respectively, then they are in the ratio of
1) 100 : 16 2) 7 : 50
3) 50 : 7 4) 1 : 8
Consider the following figure. What value of x would make POQ a line, if the following holds:
