Examsbook | Hand picked material and question banks

प्र: The age of Manisha and Sudeshna are in the ratio of 5 : 6 respectively. After 8 years the ratio of their ages will be 7 : 8. What is the difference of their ages ? 1425 0

उत्तर : 2. "4"
व्याख्या :
Answer: B) 4 Explanation: Let the age of Manisha and Sudeshna is 5x and 6x years respectively. According to the given data, 5x+8/6x+8 = 7/8 42x + 56 = 40x + 64 x = 4 Required Difference of their ages = (6 × 4) – (5 × 4) = 4 years.

प्र: The Hydraulic Break works on the principle of _____ ? 1326 0

उत्तर : 1. "Pascal's Law"
व्याख्या :
Answer: A) Pascal's Law Explanation:

प्र: In a 48 ltr mixture, the ratio of milk and water is 5:3. How much water should be added in the mixture so as the ratio will become 3:5 ? 1661 0

उत्तर : 3. "32 lit"
व्याख्या :
Answer: C) 32 lit Explanation: Given mixture = 48 lit Milk in it = 48 x 5/8 = 30 lit => Water in it = 48 - 30 = 18 lit Let 'L' lit of water is added to make the ratio as 3:5 => 30/(18+L) = 3/5 => 150 = 54 + 3L => L = 32 lit.

प्र: Selling an article at a profit of 20%, Aman gets Rs. 400 more than selling at a loss of 20%. The cost price of the article is ? 2124 0

उत्तर : 1. "Rs.1000"
व्याख्या :
Answer: A) Rs.1000 Explanation: Cost price of the article is given by = 400x100/(20+20) = Rs.1000

प्र: Area of a square and a rectangle are equal. If side of the square is 40 cm and length of the rectangle is 64 cm, what is the perimeter of the rectangle ? 1353 0

उत्तर : 2. "178 cm"
व्याख्या :
Answer: B) 178 cm Explanation: Area of square = 40 x 40 = 1600 sq.cm Given that the areas of Square and Rectangle are equal => Area of rectangle = 1600 Sq.cm We know that, Area of rectangle = L x B Given L = 64 cm Breadth of rectangle = 1600/64 = 25 cm Perimeter of the rectangle = 2(L + B) = 2(64+25) = 178 cm.

प्र: P can do a piece of work in 5 less days than Q. If both of them can do the same work in 1119days, in how many days will Q alone do the same work ? 1497 0

उत्तर : 2. "25 days"
व्याख्या :
Answer: B) 25 days Explanation: Let Q complete that work in 'L' days => 1L + 1L-5 = 9100 => 9L2-245L+500=0 L = 25 days.

प्र: When a women sells 20 articles for Rs. 160, there is 40% loss. How many articles should she sell for Rs. 240 in order to earn 20% profit ? 3223 0

उत्तर : 2. "15"
व्याख्या :
Answer: B) 15 Explanation: Given when she sells at Rs. 160 for 20 articles, she get 40% loss. Then, to get 20% profit selling at Rs. 240 for let 'P' articles => 1602060=240p120 => 120 x 160 x P = 20 x 70 x 240 => P = 15 articles.

प्र: In a competitive exam, the number of passed students was four times the number of failed students. If there had been 35 fewer appeared students and 9 more had failed, the ratio of passed and failed students would have been 2 : 1, then the total number of students appered for the exam ? 8176 0

उत्तर : 3. "155"
व्याख्या :
Answer: C) 155 Explanation: Let the number of failed students be x => Number of passed students = 4x So total number of students was 5x From the given data, If total number of students be 5x – 35 => 4x-35-9/x+9 = 2/1 => 4x – 44 = 2(x + 9) => 4x – 2x = 18 + 44 => x = 31 Total number = 31×5 = 155

प्र: The age of Manisha and Sudeshna are in the ratio of 5 : 6 respectively. After 8 years the ratio of their ages will be 7 : 8. What is the difference of their ages ? 1425 0

उत्तर : 2. "4"
व्याख्या :
Answer: B) 4 Explanation: Let the age of Manisha and Sudeshna is 5x and 6x years respectively. According to the given data, 5x+8/6x+8 = 7/8 42x + 56 = 40x + 64 x = 4 Required Difference of their ages = (6 × 4) – (5 × 4) = 4 years.

प्र: The Hydraulic Break works on the principle of _____ ? 1326 0

उत्तर : 1. "Pascal's Law"
व्याख्या :
Answer: A) Pascal's Law Explanation:

प्र: In a 48 ltr mixture, the ratio of milk and water is 5:3. How much water should be added in the mixture so as the ratio will become 3:5 ? 1661 0

उत्तर : 3. "32 lit"
व्याख्या :
Answer: C) 32 lit Explanation: Given mixture = 48 lit Milk in it = 48 x 5/8 = 30 lit => Water in it = 48 - 30 = 18 lit Let 'L' lit of water is added to make the ratio as 3:5 => 30/(18+L) = 3/5 => 150 = 54 + 3L => L = 32 lit.

प्र: Selling an article at a profit of 20%, Aman gets Rs. 400 more than selling at a loss of 20%. The cost price of the article is ? 2124 0

उत्तर : 1. "Rs.1000"
व्याख्या :
Answer: A) Rs.1000 Explanation: Cost price of the article is given by = 400x100/(20+20) = Rs.1000

प्र: Area of a square and a rectangle are equal. If side of the square is 40 cm and length of the rectangle is 64 cm, what is the perimeter of the rectangle ? 1353 0

प्र: P can do a piece of work in 5 less days than Q. If both of them can do the same work in 1119days, in how many days will Q alone do the same work ? 1497 0

उत्तर : 2. "25 days"
व्याख्या :
Answer: B) 25 days Explanation: Let Q complete that work in 'L' days => 1L + 1L-5 = 9100 => 9L2-245L+500=0 L = 25 days.

प्र: When a women sells 20 articles for Rs. 160, there is 40% loss. How many articles should she sell for Rs. 240 in order to earn 20% profit ? 3223 0

उत्तर : 2. "15"
व्याख्या :
Answer: B) 15 Explanation: Given when she sells at Rs. 160 for 20 articles, she get 40% loss. Then, to get 20% profit selling at Rs. 240 for let 'P' articles => 1602060=240p120 => 120 x 160 x P = 20 x 70 x 240 => P = 15 articles.

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

प्र: The age of Manisha and Sudeshna are in the ratio of 5 : 6 respectively. After 8 years the ratio of their ages will be 7 : 8. What is the difference of their ages ? 1425 05b5cc6c3e4d2b4197774dc1d

उत्तर : 2. "4" व्याख्या :Answer: B) 4 Explanation: Let the age of Manisha and Sudeshna is 5x and 6x years respectively. According to the given data, 5x+8/6x+8 = 7/8 42x + 56 = 40x + 64 x = 4 Required Difference of their ages = (6 × 4) – (5 × 4) = 4 years.

प्र: The Hydraulic Break works on the principle of _____ ? 1326 05b5cc6c2e4d2b4197774dc09

उत्तर : 1. "Pascal's Law" व्याख्या :Answer: A) Pascal's Law Explanation:

प्र: In a 48 ltr mixture, the ratio of milk and water is 5:3. How much water should be added in the mixture so as the ratio will become 3:5 ? 1661 05b5cc6c2e4d2b4197774dbff

उत्तर : 3. "32 lit" व्याख्या :Answer: C) 32 lit Explanation: Given mixture = 48 lit Milk in it = 48 x 5/8 = 30 lit => Water in it = 48 - 30 = 18 lit Let 'L' lit of water is added to make the ratio as 3:5 => 30/(18+L) = 3/5 => 150 = 54 + 3L => L = 32 lit.

प्र: Selling an article at a profit of 20%, Aman gets Rs. 400 more than selling at a loss of 20%. The cost price of the article is ? 2124 05b5cc6c2e4d2b4197774dbeb

उत्तर : 1. "Rs.1000" व्याख्या :Answer: A) Rs.1000 Explanation: Cost price of the article is given by = 400x100/(20+20) = Rs.1000

प्र: Area of a square and a rectangle are equal. If side of the square is 40 cm and length of the rectangle is 64 cm, what is the perimeter of the rectangle ? 1353 05b5cc6c2e4d2b4197774dbe1

प्र: P can do a piece of work in 5 less days than Q. If both of them can do the same work in 1119days, in how many days will Q alone do the same work ? 1497 05b5cc6c2e4d2b4197774dbcd

उत्तर : 2. "25 days" व्याख्या :Answer: B) 25 days Explanation: Let Q complete that work in 'L' days => 1L + 1L-5 = 9100 => 9L2-245L+500=0 L = 25 days.

प्र: When a women sells 20 articles for Rs. 160, there is 40% loss. How many articles should she sell for Rs. 240 in order to earn 20% profit ? 3223 05b5cc6c2e4d2b4197774dbc3

उत्तर : 2. "15" व्याख्या :Answer: B) 15 Explanation: Given when she sells at Rs. 160 for 20 articles, she get 40% loss. Then, to get 20% profit selling at Rs. 240 for let 'P' articles => 1602060=240p120 => 120 x 160 x P = 20 x 70 x 240 => P = 15 articles.

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

त्रुटि की रिपोर्ट करें

प्र: The age of Manisha and Sudeshna are in the ratio of 5 : 6 respectively. After 8 years the ratio of their ages will be 7 : 8. What is the difference of their ages ? 1425 0

उत्तर : 2. "4"
व्याख्या :
Answer: B) 4 Explanation: Let the age of Manisha and Sudeshna is 5x and 6x years respectively. According to the given data, 5x+8/6x+8 = 7/8 42x + 56 = 40x + 64 x = 4 Required Difference of their ages = (6 × 4) – (5 × 4) = 4 years.

प्र: The Hydraulic Break works on the principle of _____ ? 1326 0

उत्तर : 1. "Pascal's Law"
व्याख्या :
Answer: A) Pascal's Law Explanation:

प्र: In a 48 ltr mixture, the ratio of milk and water is 5:3. How much water should be added in the mixture so as the ratio will become 3:5 ? 1661 0

उत्तर : 3. "32 lit"
व्याख्या :
Answer: C) 32 lit Explanation: Given mixture = 48 lit Milk in it = 48 x 5/8 = 30 lit => Water in it = 48 - 30 = 18 lit Let 'L' lit of water is added to make the ratio as 3:5 => 30/(18+L) = 3/5 => 150 = 54 + 3L => L = 32 lit.

प्र: Selling an article at a profit of 20%, Aman gets Rs. 400 more than selling at a loss of 20%. The cost price of the article is ? 2124 0

उत्तर : 1. "Rs.1000"
व्याख्या :
Answer: A) Rs.1000 Explanation: Cost price of the article is given by = 400x100/(20+20) = Rs.1000

प्र: Area of a square and a rectangle are equal. If side of the square is 40 cm and length of the rectangle is 64 cm, what is the perimeter of the rectangle ? 1353 0

प्र: P can do a piece of work in 5 less days than Q. If both of them can do the same work in 1119days, in how many days will Q alone do the same work ? 1497 0

उत्तर : 2. "25 days"
व्याख्या :
Answer: B) 25 days Explanation: Let Q complete that work in 'L' days => 1L + 1L-5 = 9100 => 9L2-245L+500=0 L = 25 days.

प्र: When a women sells 20 articles for Rs. 160, there is 40% loss. How many articles should she sell for Rs. 240 in order to earn 20% profit ? 3223 0

उत्तर : 2. "15"
व्याख्या :
Answer: B) 15 Explanation: Given when she sells at Rs. 160 for 20 articles, she get 40% loss. Then, to get 20% profit selling at Rs. 240 for let 'P' articles => 1602060=240p120 => 120 x 160 x P = 20 x 70 x 240 => P = 15 articles.