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Four people need to cross a bridge at night. They have one flashlight for the four of them, but the bridge is only wide enough for two to cross at a time. Because it's so dark, anyone crossing the bridge must do so with the flashlight. Person A can walk across in 1 minute. Person B takes 2 minutes; person C takes 5 minutes, and finally person D needs a full 10 minutes to cross. Naturally, if two people are crossing the bridge, they move with the speed of the slower person. What is the shortest amount of time it will take for all four to get to the other side?

In how many ways can 24 persons be seated around a circular table, if there are 13 seats?

How many games were played by the team that played double the number of matches as played by the team who played the least number of matches?

The number of zones in which the company A sold Frisbees is at most

In a parliamentary debate, a bill was being passed. 600 votes were cast initially but after some discussion, the opposition to the bill went up by$150\%.$ The bill was then rejected by a majority 2 times as great as that by which it was passed previously. How many people rejected the bill initially?

A person is adding page numbers in a book and he got 220. Then, he realised that he counted one number twice. The number is___

The following is the Wholesale Price Index (WPI) of a select list of items with the base year of 1993-94. In other words, all the item prices are made 100 in that year (1993-94). Price in all other year for an item are measured with respect to its price in the base year. For instance, the price of cement went up by $1\%$ in 1994-95 as compared to
1993-94. Similarly, the price of power went up by $3\%$ in 1996-97 as compared to 1993-94.



Which item(s) experienced only one decline in price during the ten-year period?

What is D`s position with respect to A?

The value of $log(a^2-2ab+b^2)$, (where a and b are consecutive natural numbers and a is greater than b) is

Karan can take a maximum of four shots at an enemy moving away from him. The probability of hitting the enemy at the first, second, third and fourth shots are 0.3, 0.4, 0.2 and 0.1 respectively. What is the probability that the enemy is hit when all the four shots are fired?

Four numbers leave remainders of 243, 289, 293 and 305 on divisible by T. The sum of the four numbers leaves a remainder of 60 on divisible by T. The value of T can be

Priya is a postgraduate in Computer Science passed in first class with 62% marks. She had scored 81% marks in HSC. Her date of birth is 17.5.1981.

Twenty percent of Sanju's annual salary is equal to seventy-five per cent of Jaya’s annual salary. Jaya’s monthly salary is 60% of Vivek’s monthly salary. If Vivek’s annual salary is Rs. 1.44 lacs, what is Sanju's monthly salary?

In a 500 m race, A can beat C by 35 m and B by 159 m. In a race of 1500 m, C will beat B by:

The least number which gives a remainder of 2, 3 and 4 when successively divided by 3,x and 8 respectively is 71. Find x.

In the adjoining figure, ABCD is a rectangle in which length is twice of breadth. H and G divide the line CD into three equal parts. Similarly, points E and F trisect the line AB. A circle PQRS is circumscribed by a square PQRS which passes through the points E, F, G and H. What is the ratio of areas of circles to that of the rectangle?

Akbar lends twice the interest received from Birbal to Chanakya at the half of the interest at which he lent to Birbal. If Akbar lent Rs. P r% per annum for 1 year to Birbal, then the interest received by Akbar from Chanakya is :

A man driving his bike at $24$ kmph reaches his office $5$ minutes late. Had he driven $25\%$ faster on an average he would have reached $4$ minutes earlier than the scheduled time? How far is his office?

Find the equation with roots 2, 3, 4, 5 and 6.

If $A=2^{46},B=2^0+2^1+2^2+2^3+2^4+2^5+2^6+.........+2^{45}$, then which of the following is true?

The number X4531Y, where X and Y are single-digit numbers, is divisible by 72. Then X - Y is equal to

Find the ${19}^{th}$ term of the G.P, whose ${14}^{th}$ and ${24}^{th}$ terms are 9 and 16

If A and B invest some amount for the same time and the ratio of their profit's after one year is 5:x, if B would have joined A after 6 months the ratio of their profit's (a:b) after one year is 1:2. Find the value of x.

In what ratio must a person mix three kinds of wheat costing him Rs.1.20/kg, Rs.1.44/kg and Rs.1.74/kg, so that if he keeps the price of the mixture as Rs.1.41 per kg, he has neither profit nor loss?

If f(x) = 1 - f(1-x) and then $f\left(\frac{1}{100}\right)+f\left(\frac{2}{100}\right)+.....+f\left(\frac{98}{100}\right)+f\left(\frac{99}{100}\right).$

Which of the following pairs are identical?

Globe Soccer’s Best Player for the year 2017 is _____________.

If a and b are two odd positive integer , then prove that one of two numbers $\frac{a+b}{2}$ and$\frac{a-b}{2}$ is odd and other is even.

Rectify the following errors.

(i) Cash received from Rajat Rs. 5,000 was posted to the debit of Kamal as Rs. 6,000.

(ii) Salary paid to an employee Rs. 2,000 was debited to his personal account as Rs. 1,200.

(iii) Goods withdrawn by proprietor for personal use Rs. 1,000 were credited to sales account as Rs. 1,600.

(iv) Depreciation provided on machinery Rs. 3,000 was posted to machinery account as Rs. 300.

(v) Sale of old car for Rs. 10,000 was credited to sales account as Rs. 6,000.

Indian Council Act 1892 had which of the following provisions?

1. The budget could now be voted upon and can suggest the amendments.

2. The members got the right to ask the supplementary Questions.

3. Budget can be discussed.

Codes:

What is the difference between the total productions of the two Companies in the given years ?

Four equal jugs are filled with the mixture of spirit and water. The ratio of spirit to water in four jugs is 1:3, 3:5, 5:11 and 7:9. The mixture of the four jugs is emptied into a single vessel. What is the proportion of spirit to water in the vessel?

ABCABC is a six digit number where A,B,C are three consecutive natural numbers. Find the remainder when ABCABC is divided by 1001?

A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream

In a row of 40 boys, Satish was shifted 10 places to the right of Rohan and Kewal was shifted 10 places to the left of Vilas. If Vilas was 26${}^{th}$ from the left and there were 3 boys between Kewal and Satish after shifting, what is the position of Rohan in the row?

Q16. In 3 hours A can walk as much as B can walk in one hour. In five hours A walks 1 kilometre less then B walks in two hours. What will be the difference in terms of distance if both A and B walk for 15 hours each in the same direction starting from the same Point?

Q16. 3 घंटे मे A उतना ही चल सकता है जितना की B, 1 घंटे में चल सकता है। A, B द्वारा 2 घंटे मे चले गए दूरी से 1 km कम चलता है। यदि A तथा B दोनों 15 घंटे तक एक ही दिशा से चले तो दोनों द्वारा तय की गई दूरी का अंतर होगा?

The initial money Ghosh Babu had (before the beginning of the game sessions) was Rs X. At no point did he have to borrow any money. What is the minimum possible value of X?

The number of Computers of Category B is approximately what percent of the total number of Refrigerators?

Find the least number which when divided by 9,10 and 11 give remainders of 2,3 and 5 respectively.

Village R is in which direction with respect to village D ?

Statement I. Village R is to the north of village T which is to the west of village F.

Statement II. Village D is to the west of village T.

Q62. A scientific calculator is available in Flipkart at 20% discount and the same is available at only 15% discount in Amazon. Mr. Rajesh has just sufficient amount of Rs. 800 to purchase it in Flipkart. What is the amount that Mr. Rajesh has less than the required amount to purchase it in Amazon?