In a five digit number, digit at ten’s place is 4, digit at unit’s place is one fourth of ten’s place digit, digit at hunderd’s place is 0, digit at thousand’s place is 5 times of the digit at unit’s place and ten thousand’s place digit is double the digit at ten’s place. Write the number.
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How much desert area exists on the planet? (a) One third (b) Half (c) One fifth (d) One fourth
(c) Desert covers one fifth of the planet.
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Successor of a one digit number is always a one digit number.
Successor of a one digit number is always a one digit number. False
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By reversing the order of digits of the greatest number made by five different non-zero digits, the new number is the _____ number of five digits.
By reversing the order of digits of the greatest number made by five different non-zero digits, the new number is the smallest number of five digits
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Five cards—ten, jack, queen, king, and an ace of diamonds are shuffled face downwards. One card is picked at random.
Total no. of possible outcomes = 5 {5 cards} (i) E ⟶ event of drawing queen No. favourable outcomes = 1 {1 queen card} P(E) = (No.of favorable outcomes)/(Total no.of possible outcomes) =...
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One of the two digits of a two digit number is three times the other digit. If you interchange the digit of this two-digit number
Let the digits at tens place and ones place be x and 3x respectively. Therefore, original number = 10x + 3x =13x On interchanging the digits, the digits at ones place and...
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If the mass of sun were ten times smaller and gravitational constant G were ten times larger in magnitudes-
(a) walking on ground would became more difficult. (c) raindrops will fall much faster. (d) airplanes will have to travel much faster.
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If the unit of force is 100 N, unit of length is 10 m and unit of time is 100 s, what is the unit of mass in this system of units?
The unit of mass in this system of units- 105 kg
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Ten bulbs are connected in a series circuit to a power supply line. Ten identical bulbs are connected in a
(a) Parallel circuit (b) Parallel circuit (c) Series circuit (d) Series circuit.
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The sum of the digits of a two-digit number is 12. The number obtained by interchanging its digits exceeds the given number by 18. Find the number.
Let the tens and the units digits of the required number be x and y, respectively. Required number = (10x + y) x + y = 12 ……….(i) Number obtained on reversing its...
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The sum of the digits of a two digit number is 15. The number obtained by interchanging the digits exceeds the given number by 9. The number is
(a) 96 Let the tens and the units digits of the required number be x and y, respectively. Required number = (10x + y) According to the question, we have: x + y =...
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