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number of unequal non negative(including 0) integral solutions of a+b+c+d=20(the answer is 552)

A rectangular swimming pool is 48m long and 20 m wide. the shallow edge of the pool is 1 m deep. For every 2.6 m that one walks up the inclines base of the swimming pool , one gains an elevation of 1m. What is the volume of the water( in cubic metres) in the swimming pool. Assume that pool is filled up to brim.

how do i solve tank filling questions

No. of different ways of painting all 6 faces of a dice using 6 different colors?

If y is a real number,what is the difference in the maximum and minimum values obtained by y+5/y^2+5y+25.Please explain in detail how we go about solving this problem.

how do i solve rcs

what is the value of 3 to the power 74?

Hi can you provide the exact syllabus (chapters) for SBI PO exams.....

a man left x for y ,another man left Y for x at the same time .after reaching their destination ,they turned back without stopping .they crossed each other at a point 30km from x on their onward trip and 20km from y on their return trip .find XY a)70 b)55 c)40 d)30

anand and bala started from towns P and q simultaneosly towards Q and p respectively .after 6 hrs ,they crossed each other at town R .after that .anand took 5hr more to reach his destination than bala .find the sum of the times taken by them to reach their destination from R (in hrs) a)15 b)11 c)13 d)17