If a, b, c, d are in continued proportion then \(\frac{a-d}{b-c}\). What is the value of x.
If a, b, c, d are in continued proportion then \(\frac{a-d}{b-c}\). What is the value of x.
' 2250 is divided among three friends Amar, Bijoy and Chandra in such a way that 1/6th of Amar's share, 1/4th of Bijoy's share and 2/5th of Chandra's share are equal. Find Amar's share.
' 2250 is divided among three friends Amar, Bijoy and Chandra in such a way that 1/6th of Amar's share, 1/4th of Bijoy's share and 2/5th of Chandra's share are equal. Find Amar's share.
The incomes of A and B are in the ratio 3 : 2 and their expenditures are in the ratio 5 : 3. If each saves t' 1000, then, A's income can be:
The incomes of A and B are in the ratio 3 : 2 and their expenditures are in the ratio 5 : 3. If each saves t' 1000, then, A's income can be:
A crew can row a certain course up the stream in 84 minutes; they can row the same course down stream in 9 minutes less than they can row it in still water. How long would they take to row down with the stream.
A crew can row a certain course up the stream in 84 minutes; they can row the same course down stream in 9 minutes less than they can row it in still water. How long would they take to row down with the stream.
The ratio between two numbers is 3 : 4 and their LCM is 180. The first number is:
The ratio between two numbers is 3 : 4 and their LCM is 180. The first number is:
If three numbers are in the ratio of 1 : 2 : 3 and half the sum is 18, then the ratio of squares of the numbers is:/
If three numbers are in the ratio of 1 : 2 : 3 and half the sum is 18, then the ratio of squares of the numbers is:/
The speeds of three cars are in the ratio 2 : 3 : 4. The ratio between the times taken by these cars to travel the same distance is
The speeds of three cars are in the ratio 2 : 3 : 4. The ratio between the times taken by these cars to travel the same distance is
A and B are two alloys of argentum and brass prepared by mixing metals in proportions 7 : 2 and 7 : 11 respectively. If equal quantities of the two alloys are melted to form a third alloy C, the proportion of argentum and brass in C will be:
A and B are two alloys of argentum and brass prepared by mixing metals in proportions 7 : 2 and 7 : 11 respectively. If equal quantities of the two alloys are melted to form a third alloy C, the proportion of argentum and brass in C will be:
If 30 men working 7 hours a day can do a piece of work in 18 days, in how many days will 21 men working 8 hours a day do the same work?
If 30 men working 7 hours a day can do a piece of work in 18 days, in how many days will 21 men working 8 hours a day do the same work?
Divide t' 500 among A, B, C and D so that A and B together get thrice as much as C and D together, B gets four times of what C gets and C gets 1.5 times as much as D. Now the value of what B gets is
Divide t' 500 among A, B, C and D so that A and B together get thrice as much as C and D together, B gets four times of what C gets and C gets 1.5 times as much as D. Now the value of what B gets is
If 6x2 + 6y2 = 13xy, what is the ratio of x to y?
If 6x2 + 6y2 = 13xy, what is the ratio of x to y?
The students in three batches at Mindworkzz are in the ratio 2 : 3 : 5. If 20 students are increased in each batch, the ratio changes to 4 : 5 : 7. The total number of students in the three batches before the increases were
The students in three batches at Mindworkzz are in the ratio 2 : 3 : 5. If 20 students are increased in each batch, the ratio changes to 4 : 5 : 7. The total number of students in the three batches before the increases were
If 4 examiners can examine a certain number of answer books in 8 days by working 5 hours a day,
LEVEL OF DIFFICULTY (I)
for how many hours a day would 2 examiners have to work in order to examine twice the number of answer books in 20 days?
If 4 examiners can examine a certain number of answer books in 8 days by working 5 hours a day,
LEVEL OF DIFFICULTY (I)
for how many hours a day would 2 examiners have to work in order to examine twice the number of answer books in 20 days?
If \(\frac{a}{(a+b)}\) = \(\frac{b}{(c+a)}\) = \(\frac{c}{(a+b)}\), then each fraction is equal to ?
If \(\frac{a}{(a+b)}\) = \(\frac{b}{(c+a)}\) = \(\frac{c}{(a+b)}\), then each fraction is equal to ?
If the ratio of sines of angles of a triangle is 1 : 1 : ,\(\sqrt{2} \) then the ratio of square of the greatest
side to sum of the squares of other two sides is
If the ratio of sines of angles of a triangle is 1 : 1 : ,\(\sqrt{2} \) then the ratio of square of the greatest
side to sum of the squares of other two sides is
Divide t' 680 among A, B and C such that A gets 2/3 of what B gets and B gets 1/4th of what C gets. Now the share of C is:
Divide t' 680 among A, B and C such that A gets 2/3 of what B gets and B gets 1/4th of what C gets. Now the share of C is:
If a, b, c, d are proportional, then (a - b) (a - c)/a = ?
If a, b, c, d are proportional, then (a - b) (a - c)/a = ?
A, B, C enter into a partnership. A contributes one-third of the whole capital while B contributes as much as A and C together contribute. If the profit at the end of the year is t' 84,000, how much would each receive?
A, B, C enter into a partnership. A contributes one-third of the whole capital while B contributes as much as A and C together contribute. If the profit at the end of the year is t' 84,000, how much would each receive?
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Divide t' 1870 into three parts in such a way that half of the first part, one-third of the second part and one-sixth of the third part are equal.
Divide t' 1870 into three parts in such a way that half of the first part, one-third of the second part and one-sixth of the third part are equal.
In a mixture of 40 litres, the ratio of milk and water is 4 : 1. How much water must be added to this mixture so that the ratio of milk and water becomes 2 : 3.?
In a mixture of 40 litres, the ratio of milk and water is 4 : 1. How much water must be added to this mixture so that the ratio of milk and water becomes 2 : 3.?