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प्र: The perimeter of a square is equal to twice the perimeter of a rectangle of length 8cm and breadth 7cm. What is the circumference of a semicircle whose diameter is equal to the side of the square ? 1694 0

उत्तर : 4. "38.57 cm"
व्याख्या :
Answer: D) 38.57 cm Explanation: We know that perimeter of rectangle = 2(l+b) = 2(8+7)= 30cmGiven perimeter of square is twice the perimeter of rectangle = 2(30) = 60cmTherefore, side of the square is = 1/4 x 60 = 15cmCircumference of the required semicircle = πr + 2r = 227× 152 + 2×152 = 23.57 + 15 = 38.57cm.

प्र: The least number of complete years in which a sum of money put out at 20% C.I. will be more than doubled is ? 1692 0

उत्तर : 2. "4 years"
व्याख्या :
Answer: B) 4 years Explanation: P1+20100n > 2P Now, (6/5 x 6/5 x 6/5 x 6/5) > 2. So, n = 4 years.

प्र: 4 45 of 259.99 = ? % of 1247.9 1691 0

उत्तर : 2. "100"
व्याख्या :
Answer: B) 100 Explanation: Given 4 45 of 259.99 = ? % of 1247.9 24/5 x 260 = ? x 1248/100 ? = 1248 x 100/1248 ? = 100.

प्र: A earns 50% of B's salary, B earns 80% of C's salary. If the total earnings for a month is Rs. 22000, then what is the earning for A ? 1690 0

उत्तर : 1. "Rs. 4000"
व्याख्या :
Answer: A) Rs. 4000 Explanation: Let C's salary be Rs. x Then B's salary = 80x/100 => A's salary = (50/100) * (80x/100) = 40x/100 But given total earnings in a month = 22000 => x + 80x/100 + 40x/100 = 22000 => x + 120x/100 = 22000 => x = 10000 => A's salary = 40 x 10000/100 = Rs. 4000

प्र: A man sell 35 waffers for Rs. 15 each and loses Rs. 40.4. If he sells 35 waffers for Rs. 18, how much does he loss or gain ? 1689 1

उत्तर : 1. "Rs. 64"
व्याख्या :
Answer: A) Rs. 64 Explanation: Given Loss = Rs. 40.4We know loss = cost price - selling price 40.4 = CP - 35(15)=> CP = 40.4 + 525=> CP = Rs. 565.4Now the New selling price of waffer is Rs. 18=> SP = 35(18) = 630Now Gain = SP - CP = 630 -565.4 = Rs. 64.6.

प्र: Joel travels the first 3 hours of his journey at 60 mph speed and the remaining 5 hours at 24 mph speed. What is the average speed of Joel's travel in kmph ? 1689 0

उत्तर : 3. "60 kmph"
व्याख्या :
Answer: C) 60 kmph Explanation: Average speed = Total distance / Total time. Total distance traveled by Joel = Distance covered in the first 3 hours + Distance covered in the next 5 hours. Distance covered in the first 3 hours = 3 x 60 = 180 milesDistance covered in the next 5 hours = 5 x 24 = 120 miles Therefore, total distance traveled = 180 + 120 = 300 miles. Total time taken = 3 + 5 = 8 hours. Average speed = 300/8 = 37.5 mph. we know that 1 mile = 1.6 kms => 37.5 miles = 37.5 x 1.6 = 60 kms Average speed in Kmph = 60 kmph.

प्र: Maneela lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest she get after 2 years is Rs. 820, then in which ratio will Rs. 8000 is to be divided? 1686 0

उत्तर : 1. "7:1"
व्याख्या :
Answer: A) 7:1 Explanation: Maneela lent Rs. 8000 in two parts,

प्र: Find the simple interest on Rs.600 for 11 months at 5 paisa per month ? 1685 0

प्र: The perimeter of a square is equal to twice the perimeter of a rectangle of length 8cm and breadth 7cm. What is the circumference of a semicircle whose diameter is equal to the side of the square ? 1694 0

प्र: The least number of complete years in which a sum of money put out at 20% C.I. will be more than doubled is ? 1692 0

उत्तर : 2. "4 years"
व्याख्या :
Answer: B) 4 years Explanation: P1+20100n > 2P Now, (6/5 x 6/5 x 6/5 x 6/5) > 2. So, n = 4 years.

प्र: 4 45 of 259.99 = ? % of 1247.9 1691 0

उत्तर : 2. "100"
व्याख्या :
Answer: B) 100 Explanation: Given 4 45 of 259.99 = ? % of 1247.9 24/5 x 260 = ? x 1248/100 ? = 1248 x 100/1248 ? = 100.

प्र: A earns 50% of B's salary, B earns 80% of C's salary. If the total earnings for a month is Rs. 22000, then what is the earning for A ? 1690 0

प्र: A man sell 35 waffers for Rs. 15 each and loses Rs. 40.4. If he sells 35 waffers for Rs. 18, how much does he loss or gain ? 1689 1

प्र: Joel travels the first 3 hours of his journey at 60 mph speed and the remaining 5 hours at 24 mph speed. What is the average speed of Joel's travel in kmph ? 1689 0

प्र: Maneela lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest she get after 2 years is Rs. 820, then in which ratio will Rs. 8000 is to be divided? 1686 0

उत्तर : 1. "7:1"
व्याख्या :
Answer: A) 7:1 Explanation: Maneela lent Rs. 8000 in two parts,

प्र: Find the simple interest on Rs.600 for 11 months at 5 paisa per month ? 1685 0

उत्तर : 2. "Rs. 3.30"
व्याख्या :
Answer: B) Rs. 3.30 Explanation: I = (600x11x5)/100 = 330 Paise = Rs. 3.30

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प्र: The perimeter of a square is equal to twice the perimeter of a rectangle of length 8cm and breadth 7cm. What is the circumference of a semicircle whose diameter is equal to the side of the square ? 1694 05b5cc736e4d2b4197774f841

प्र: The least number of complete years in which a sum of money put out at 20% C.I. will be more than doubled is ? 1692 05b5cc6e2e4d2b4197774ec25

उत्तर : 2. "4 years" व्याख्या :Answer: B) 4 years Explanation: P1+20100n > 2P Now, (6/5 x 6/5 x 6/5 x 6/5) > 2. So, n = 4 years.

प्र: 4 45 of 259.99 = ? % of 1247.9 1691 05b5cc662e4d2b4197774bea1

उत्तर : 2. "100" व्याख्या :Answer: B) 100 Explanation: Given 4 45 of 259.99 = ? % of 1247.9 24/5 x 260 = ? x 1248/100 ? = 1248 x 100/1248 ? = 100.

प्र: A earns 50% of B's salary, B earns 80% of C's salary. If the total earnings for a month is Rs. 22000, then what is the earning for A ? 1690 05b5cc6c3e4d2b4197774dc3b

प्र: A man sell 35 waffers for Rs. 15 each and loses Rs. 40.4. If he sells 35 waffers for Rs. 18, how much does he loss or gain ? 1689 15b5cc74ae4d2b4197774fa95

प्र: Joel travels the first 3 hours of his journey at 60 mph speed and the remaining 5 hours at 24 mph speed. What is the average speed of Joel's travel in kmph ? 1689 05b5cc6d3e4d2b4197774e4a0

प्र: Maneela lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest she get after 2 years is Rs. 820, then in which ratio will Rs. 8000 is to be divided? 1686 05b5cc6bee4d2b4197774d9b5

उत्तर : 1. "7:1" व्याख्या :Answer: A) 7:1 Explanation: Maneela lent Rs. 8000 in two parts,

प्र: Find the simple interest on Rs.600 for 11 months at 5 paisa per month ? 1685 05b5cc6e3e4d2b4197774ec93

उत्तर : 2. "Rs. 3.30" व्याख्या :Answer: B) Rs. 3.30 Explanation: I = (600x11x5)/100 = 330 Paise = Rs. 3.30

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प्र: The perimeter of a square is equal to twice the perimeter of a rectangle of length 8cm and breadth 7cm. What is the circumference of a semicircle whose diameter is equal to the side of the square ? 1694 0

प्र: The least number of complete years in which a sum of money put out at 20% C.I. will be more than doubled is ? 1692 0

उत्तर : 2. "4 years"
व्याख्या :
Answer: B) 4 years Explanation: P1+20100n > 2P Now, (6/5 x 6/5 x 6/5 x 6/5) > 2. So, n = 4 years.

प्र: 4 45 of 259.99 = ? % of 1247.9 1691 0

उत्तर : 2. "100"
व्याख्या :
Answer: B) 100 Explanation: Given 4 45 of 259.99 = ? % of 1247.9 24/5 x 260 = ? x 1248/100 ? = 1248 x 100/1248 ? = 100.

प्र: A earns 50% of B's salary, B earns 80% of C's salary. If the total earnings for a month is Rs. 22000, then what is the earning for A ? 1690 0

प्र: A man sell 35 waffers for Rs. 15 each and loses Rs. 40.4. If he sells 35 waffers for Rs. 18, how much does he loss or gain ? 1689 1

प्र: Joel travels the first 3 hours of his journey at 60 mph speed and the remaining 5 hours at 24 mph speed. What is the average speed of Joel's travel in kmph ? 1689 0

प्र: Maneela lent Rs. 8000 partly at the rate of 5% and partly at the rate of 6% per annum simple interest. The total interest she get after 2 years is Rs. 820, then in which ratio will Rs. 8000 is to be divided? 1686 0

उत्तर : 1. "7:1"
व्याख्या :
Answer: A) 7:1 Explanation: Maneela lent Rs. 8000 in two parts,

प्र: Find the simple interest on Rs.600 for 11 months at 5 paisa per month ? 1685 0

उत्तर : 2. "Rs. 3.30"
व्याख्या :
Answer: B) Rs. 3.30 Explanation: I = (600x11x5)/100 = 330 Paise = Rs. 3.30