If l + m + n = 9 and l2+m2+n2 = 31, then the value of lm + mn + nl will be
View Answer Report Error Discuss
If 2pp2-2p+1 = 14, then the value of (p + 1/p) will be
In what time will a 100 metre long train running with a speed of 50 km/hr cross a pillar?
In a city, 40% of the people are illiterate and 60% are poor. Among the rich, 10% are illiterate. The percentage of the illiterate poor population is
A trader sold a cycle at a loss of 10%. If the selling price had been increased by Rs. 200, there would have been a gain of 6%. The cost price of the cycle is
The diameters of two cylinders are in the ratio 3:2 and their volumes are equal. The ratio of their heights is
Which Institution has the final authority to interpret the Constitution of India?
In bio fortification technique plant breeders use breeding to overcome