In an examination, 4 marks are given for each correct answer and 1 mark is deducted for each wrong answer. If a candidate solved 75 questions and got 125 marks, then how many of his answers were correct?
Total questions: x + y = 75. Total marks: 4x- y = 125. Substitute y =75-x into the second equation: 4x -(75-x) = 125 5x-75 = 125 5x =200 x=40 Thus, the candidate answered 40 questions correctly.
Which of the following state has the highest length of national highway?
Which one of the following pairs is incorrectly matched?
Consider the following statements regarding Saksham Anganwadi and the Poshan 2.0 initiative: Which of the following statements is/are not correct?
...A train running with a speed of 153 km/hr can cross a pole in 13 seconds and a platform in 17 seconds. Find the length of the platform.
Which one of the following is not a language translator?
Which state or union territory received the GI tag for Basholi painting?
Consider the following statements about the Constituent Assembly:
1. The first demand from Indian National Congress for the Constituent Assembly ...
Which of the following events happened first according to their chronological order?
Ratio of speed of boat in downstream and speed of stream is 4:3, if speed of current is 6 km/hr, then find distance travelled (in km) upstream in 7 hours.
Which of the following order is given to the plantes of solar system on the basis of their sizes?
