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प्र: Two numbers are respectively 40% and 30% more than a third number. The second number expressed in terms of percentage of the first is ? 1925 0

उत्तर : 1. "92.8%"
व्याख्या :
Answer: A) 92.8% Explanation: Here, x = 40 and y = 30;Therefore second number= [[100+y100+x] x 100 ]% of first number= [[100+y100+x] x 100 ]% of first numberSecond number = 92.8% of the first number.

प्र: The price of pulses has increased by 25%. The percentage of reduction that a family should effect in the use of pulses so as not to increase the expenditure on this account is ? 1766 0

उत्तर : 2. "20%"
व्याख्या :
Answer: B) 20% Explanation: Reduction in consumption= P100+P X 100%= 25100+25 X 100%= 20%

प्र: A number is increased by 20% and then decreased by 20%, the final value of the number is ? 1801 0

उत्तर : 3. "decrease by 4%"
व्याख्या :
Answer: C) decrease by 4% Explanation: Here, x = 20 and y = - 20Therefore, the net % change in value=x + y + xy100 %= 20 + -20 + 20 × -20100% or - 4% Since the sign is negative, there is a decrease in value by 4%.

प्र: The value of a machine depreciates at the rate of 10% every year. It was purchased 3 years ago. If its present value is Rs. 8,748, its purchase price was ? 3329 0

उत्तर : 2. "Rs.12,000"
व्याख्या :
Answer: B) Rs.12,000 Explanation: We have P = 8748, R = -10 and n = 3Therefore, the purchase price of the machine= P1+R100n= 87481-101003= 8748 x (100/90) x (100/90) x (100/90)= 12,000. Therefore, the purchase price of the machine was Rs. 12,000.

प्र: The calendar for the year 2007 will be the same for the year ? 1740 0

उत्तर : 4. "2018"
व्याख्या :
Answer: D) 2018 Explanation: Count the number of odd days from the year 2007 onwards to get the sum equal to 0 odd day. Year : 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017Odd day : 1 2 1 1 1 2 1 1 1 2 1 Sum = 14 odd days => 0 odd days.Calendar for the year 2018 will be the same as for the year 2007.

प्र: How many days are there in k weeks k days ? 8392 0

उत्तर : 3. "8k days"
व्याख्या :
Answer: C) 8k days Explanation: As we know that a week has 7 days, k weeks k days = (7k + k) days = 8k days.

प्र: On 24th Nov, 2007 Thursday falls. What day of the week was it on 10th Nov, 2006 ? 2423 0

उत्तर : 1. "Wednesday"
व्याख्या :
Answer: A) Wednesday Explanation: The year 2006 is an ordinary year. So, it has 1 odd day.So, the day on 24th Nov, 2007 will be 1 day beyond the day on 24th Nov, 2006.But, 24th Nov, 2007 is Thursday. 24 - 10 = 14 days. Therefore, 2 weeks ago it is same day. Thus, 10th Nov, 2006 is one day before 10th Nov, 2007 i.e. it is Wednesday.

प्र: Choose what replaces '?' in the following figure ? 1662 0

उत्तर : 4. "N"
व्याख्या :
Answer: D) N Explanation: The alphabetical value of the letters in the left hand column follows through the sequence of Prime Numbers, with the letters in the right hand column representing the corresponding reverse alphabetical values. So, M = Reverse of M = N.

प्र: Two numbers are respectively 40% and 30% more than a third number. The second number expressed in terms of percentage of the first is ? 1925 0

उत्तर : 1. "92.8%"
व्याख्या :
Answer: A) 92.8% Explanation: Here, x = 40 and y = 30;Therefore second number= [[100+y100+x] x 100 ]% of first number= [[100+y100+x] x 100 ]% of first numberSecond number = 92.8% of the first number.

प्र: The price of pulses has increased by 25%. The percentage of reduction that a family should effect in the use of pulses so as not to increase the expenditure on this account is ? 1766 0

उत्तर : 2. "20%"
व्याख्या :
Answer: B) 20% Explanation: Reduction in consumption= P100+P X 100%= 25100+25 X 100%= 20%

प्र: A number is increased by 20% and then decreased by 20%, the final value of the number is ? 1801 0

उत्तर : 3. "decrease by 4%"
व्याख्या :
Answer: C) decrease by 4% Explanation: Here, x = 20 and y = - 20Therefore, the net % change in value=x + y + xy100 %= 20 + -20 + 20 × -20100% or - 4% Since the sign is negative, there is a decrease in value by 4%.

प्र: The value of a machine depreciates at the rate of 10% every year. It was purchased 3 years ago. If its present value is Rs. 8,748, its purchase price was ? 3329 0

प्र: The calendar for the year 2007 will be the same for the year ? 1740 0

प्र: How many days are there in k weeks k days ? 8392 0

उत्तर : 3. "8k days"
व्याख्या :
Answer: C) 8k days Explanation: As we know that a week has 7 days, k weeks k days = (7k + k) days = 8k days.

प्र: On 24th Nov, 2007 Thursday falls. What day of the week was it on 10th Nov, 2006 ? 2423 0

प्र: Choose what replaces '?' in the following figure ? 1662 0

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: Two numbers are respectively 40% and 30% more than a third number. The second number expressed in terms of percentage of the first is ? 1925 05b5cc75ce4d2b4197774fc43

उत्तर : 1. "92.8%" व्याख्या :Answer: A) 92.8% Explanation: Here, x = 40 and y = 30;Therefore second number= [[100+y100+x] x 100 ]% of first number= [[100+y100+x] x 100 ]% of first numberSecond number = 92.8% of the first number.

प्र: The price of pulses has increased by 25%. The percentage of reduction that a family should effect in the use of pulses so as not to increase the expenditure on this account is ? 1766 05b5cc75ce4d2b4197774fc3e

उत्तर : 2. "20%" व्याख्या :Answer: B) 20% Explanation: Reduction in consumption= P100+P X 100%= 25100+25 X 100%= 20%

प्र: A number is increased by 20% and then decreased by 20%, the final value of the number is ? 1801 05b5cc75ce4d2b4197774fc39

उत्तर : 3. "decrease by 4%" व्याख्या :Answer: C) decrease by 4% Explanation: Here, x = 20 and y = - 20Therefore, the net % change in value=x + y + xy100 %= 20 + -20 + 20 × -20100% or - 4% Since the sign is negative, there is a decrease in value by 4%.

प्र: The value of a machine depreciates at the rate of 10% every year. It was purchased 3 years ago. If its present value is Rs. 8,748, its purchase price was ? 3329 05b5cc75ce4d2b4197774fc2f

प्र: The calendar for the year 2007 will be the same for the year ? 1740 05b5cc75ce4d2b4197774fc25

प्र: How many days are there in k weeks k days ? 8392 05b5cc75ce4d2b4197774fc2a

उत्तर : 3. "8k days" व्याख्या :Answer: C) 8k days Explanation: As we know that a week has 7 days, k weeks k days = (7k + k) days = 8k days.

प्र: On 24th Nov, 2007 Thursday falls. What day of the week was it on 10th Nov, 2006 ? 2423 05b5cc75ce4d2b4197774fc20

प्र: Choose what replaces '?' in the following figure ? 1662 05b5cc758e4d2b4197774fc19

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: Two numbers are respectively 40% and 30% more than a third number. The second number expressed in terms of percentage of the first is ? 1925 0

उत्तर : 1. "92.8%"
व्याख्या :
Answer: A) 92.8% Explanation: Here, x = 40 and y = 30;Therefore second number= [[100+y100+x] x 100 ]% of first number= [[100+y100+x] x 100 ]% of first numberSecond number = 92.8% of the first number.

प्र: The price of pulses has increased by 25%. The percentage of reduction that a family should effect in the use of pulses so as not to increase the expenditure on this account is ? 1766 0

उत्तर : 2. "20%"
व्याख्या :
Answer: B) 20% Explanation: Reduction in consumption= P100+P X 100%= 25100+25 X 100%= 20%

प्र: A number is increased by 20% and then decreased by 20%, the final value of the number is ? 1801 0

उत्तर : 3. "decrease by 4%"
व्याख्या :
Answer: C) decrease by 4% Explanation: Here, x = 20 and y = - 20Therefore, the net % change in value=x + y + xy100 %= 20 + -20 + 20 × -20100% or - 4% Since the sign is negative, there is a decrease in value by 4%.

प्र: The value of a machine depreciates at the rate of 10% every year. It was purchased 3 years ago. If its present value is Rs. 8,748, its purchase price was ? 3329 0

प्र: The calendar for the year 2007 will be the same for the year ? 1740 0

प्र: How many days are there in k weeks k days ? 8392 0

उत्तर : 3. "8k days"
व्याख्या :
Answer: C) 8k days Explanation: As we know that a week has 7 days, k weeks k days = (7k + k) days = 8k days.

प्र: On 24th Nov, 2007 Thursday falls. What day of the week was it on 10th Nov, 2006 ? 2423 0

प्र: Choose what replaces '?' in the following figure ? 1662 0