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Contour farming involves ploughing, planting and weeding along the contour, i.e, across the slope rather than up and down. Contour lines are lines that run across a (hill) slope such that the line stays at the same height and does not run uphill or downhill.
How many terms are there in the geometric progression 7, 14, 28, ......, 14336?
What is the place value of 3 in 3678921410.
1. 3 ×104
2. 3 ×107
3. 3 ×105
4. 3 ×109
This question is based on the following 3-digit numbers:
543, 769, 552, 342, 245
(Example: 697 – First digit = 6, second digit = 9, and ...
The remainder obtained when (47³ + 35³) is divided by 41 is
Sandeep can solve 20 questions in 1 hour. If he decreased his efficiency by 20%, then how much time would he take to solve the same number of questions?
Let x = (726)245 – (437)458 + (333)335. What is the unit digit of x?
Determine the total no of odd factors of the number 4200.
