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Which one of the following pairs of equations has a unique solution?
One side of a right triangle measures 12 cm and the difference between the hypotenuse and the other side is 8 cm. The area of the triangle is
A motor boat whose speed is 15 km/hr in still water goes 30 km downstream and comes back in 4 hrs and and 30 minutes. Determine the speed of the stream.
The compound interest on Rs 10000 in 2 years at 4% per annum, the interest being compounded half-yearly, is
The acceleration due to gravity of a catastropic earthquake will be
Nawab Sanaullah Zehri, recently resigned before a no-confidence motion was taken against him in the provincial assembly. He belonged to which province of Pakistan?
How many such pairs of letters are there in the word MODERATE each of which has as many letters between them in the word as in the English alphabet?
What should come in the place of question - mark (?) in the following series?
YA, CW, ?, GS, QI
If + means x, ÷ means -, x means ÷ and - means +
what will be the value of 4 + 11 ÷ 5 - 55 = ?
Two numbers x and y(x>y) are such that their sum is equal to three times their difference. Then the value of 3xy/2(x2 - y2) will be
A bag contain Rs 102 in the form of rupee, 50-paise and 10-paise coins in the ratio 3:4:10. The number of 10-paise coins is
A sum of money lent out at simple interests amounts to Rs. 720 after 2 years and to Rs. 1020 after a further period of 5 years. The sum is :