एक संख्या को जब स्वयं में 14 बार जोड़ा जाता है तो परिणाम 75 प्राप्त होता है। वह संख्या ज्ञात कीजिए।

Find the number of solutions for the pair of linear equations: 5x − 7y + 28 = 0 and 10x + 14y − 28 = 0.

If 2p3 - 57 = 3, then the value of p is:

The cost of 2 sarees and 4 shirts is Rs. 1600. With the same amount of money, one can buy 1 saree and 6 shirts. If someone wants to buy 12 shirts, how much amount does he/she have to pay?