A boy wrote successive whole numbers starting from 1 up to 800. In doing so, how many times did he write the digit 8

A boy wrote successive whole numbers starting from 1 up to 800. In doing so,…

A metallic wire of uniform cross-section is melted to form 28 small solid spheres of radius 12.6 cm each

A metallic wire of uniform cross-section is melted to form 28 small solid spheres of…

Let x =444133+831616-463°×3416-24662 then what is the unit digit of x

Let x =444133+831616-463°×3416-24662 then what is the unit digit of x ? (a)          8 (b)         …

Find the value of  cot3A-3cotA/3 cot2A-1

Find the value of  cot3A-3cotA/3 cot2A-1 (a)          cot²2A + tan²A (b)          tan²2A + cot²A (c)          …

Two company invest Rs. 125000 and Rs. 85000 respectively in education industry and agree that 60% of the profit should

Two company invest Rs. 125000 and Rs. 85000 respectively in education industry and agree that…