Africa : It is also known as the black continent. • It is the second-largest continent and has the highest number (54) of countries. • Algeria is the largest country by area in this continent. • The largest desert, The Sahara desert is located in this continent. Namib desert, Kalahari desert, and Chech desert are the other deserts. Lake Victoria is the largest lake in Africa and is also the reservoir of the river Nile. • Nile, Congo, and Niger are the major rivers of this continent. • The Savanna grasslands are found in this continent.
If the roots of the equation x² + 5x + k = 0 are real and equal, find the value of k.
The sum of two numbers is 3572. When the larger number is divided by the smaller number, the quotient is 119, and the remainder i...
A car travels 120 km in 1 hour and then travels 80 km in 1.5 hours. What is the average speed of the car for the entire journey?
765 ÷ 25 × 100 ÷ 20 + 13 = x3 + 41, find 'x'
Rakesh can complete a work in 'X + 12' days. While Shikha can complete the same work in 'X + 27' days. If they can complete the work together in 'X' day...
1. यदि चार परीक्षणों में उर्मिला का प्राप्तांक 72, 70 , 66 , व 60...
A gave 30% of amount to B. B gave 20% of amount received from A to C. If amount received by C from B is Rs.192, then find the amount received by B from A.
If the ratio of the ages of A and B is 3:5, and after 5 years, the sum of their ages will be 50 years, what are their current ages?
1. बोए जाने के एक वर्ष बाद एक पेड़ की ऊँचाई 1.5 मीटर हो जाती ...
Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 30 minutes to cover 40 km in downstream, then find th...