For the following questions answer them individually
The average of 5 numbersis 140. If one number is excluded, the average of the remaining 4 numbers is 130. The excluded numberis :
If toys are bought at ₹ 5 each and sold at ₹ 4.50 each,then the loss is
Whatis the greatest number whichwill divide 110 and 128 leaving a remainder 2 in each case ?
If a=23 and b= —29, then the value of 25a^{2}+40ab+16b^{2} is
If $$2^{x} 2^{y}$$=8 and $$(9^{x})(9^{y})$$=81, then (x,y) is :
Onechord ofacircle is known to be 10.1 cm. The radiusof this circle mustbe :
Both the end digits of a 99 digit number N are 2 N is divisble 11, then all the middle digits are
If $$o<x<\frac{\pi}{2}$$ and sec x=cosec y,then the value of sin(x+y) is
A solid woodentoyis in the shape of a right circular cone mounted ona hemisphere.If the radius of the hemisphereis 4.2 cm and the total heightofthe toy is 10.2 cm, find the volume of the wooden toy (nearly).
A can do a piece of work in 12 days . B is 50% more efficient than A .In how many days B will finish the samw work?
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