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Pipe A is capable of filling a tank in 16 minutes while Pipe B can fill the same tank in 24 minutes. Both pipes are opened together, but after 4 minutes, the rate of Pipe A doubles and the rate of pipe B becomes half of its original. How many more minutes will it take […]
There are 5 consecutive even numbers $\text X_1,X_2,X_3,X_4,X_5 $ and 4 consecutive odd numbers $\text Y_1,Y_2,Y_3,Y_4 $ The average of the even numbers. is 5 more than the average of the odd numbers. If the sum of the even number is 30 more than the sum of the odd numbers, find the average of the
$44^3 + 35^3 – 53^ 3 + 159 $ is equal to : $44^3 + 35^3 – 53^ 3 + 159 $ बराबर है :
$44^3 + 35^3 – 53^ 3 + 159 $ is equal to : Read More »
What will come in place of ? to satisfy the equation : समीकरण को संतुष्ट करने के लिए ? के स्थान पर क्या आएगा? $(\sqrt{3}+2)^2 = ? + 4\sqrt{3}$
What will come in place of ? to satisfy the equation : Read More »
A hollow metallic sphere has outer radius 10 cm and is melted to make 50 smaller solid spheres of radius 2 cm. What is the inner radius of the original sphere? एक खोखले धातु के गोले की बाहरी त्रिज्या 10 सेमी हैं। और इसे पिघलाकर 2 सेमी त्रिज्या वाले 50 छोटे ठोस गोले बनाए जाते
How many hemispheres with a radius of 3 cm can be produced by melting down a hemisphere with a radius of 12cm? 12 सेमी त्रिज्या वाले एक अर्धगोले को पिघलाकर 3 सेमी त्रिज्या वाले कितने अर्धगोले बनाए जा सकते हैं?
Solve/ हल करना : $ (\sqrt{7225} – \sqrt{1225}) \times (\frac{1}{5})$
Solve: $(\sqrt{7225 -\sqrt{1225}) \times (\frac{1}{5})$ Read More »
A cylinder and hemisphere have the same radius. Their combined height is 30 cm. if the cylinder and hemisphere have equal Volumes, find the radius. एक बेलन और एक अर्धगोले की त्रिज्या समान है। उनकी संयुक्त ऊँचाई 30 सेमी है। यदि बेलन और अर्धगोले का आयतन समान है, तो त्रिज्या ज्ञात कीजिए।
A cylinder and hemisphere have the same radius. Their combined height is 30 cm. Read More »
A sum of ₹10000 is lent out in two parts, one at 7% simple Interest and the other at 12% simple interest. If the annual interest is ₹900, the sum lent at 12% is: ₹10000 की राशि दो भागों मेंं उधार दी जाती है, एक 7% साधारण ब्याज पर और दूसरा 12% साधारण ब्याज पर।
Which of the following equals 10? निम्नलिखित में से कौन 10 के बराबर हैं?
Which of the following equals 10? Read More »