Peter and Jupiter play the guitar every 3 and 4 days respectively. They together play the guitar for the first time on 3rd January. On which of these dates do they not play the guitar together?
20th February
27th January
7th February
15th January
Peter and Jupiter play the guitar together on the LCM of their individual intervals i.e. LČM (3, 4) = 12.
Hence, they play the guitar together on every 12" day.
Observe that the dates given in the options are of January and February.
The dates in these two months, when they play the guitar together are 15th January, 27th January, 8th February and 20th February.
Hence, 7th February is an invalid date.
Hence, option c.
A spherical balloon of radius r subtends angle 60° at the eye of an observer. If the angle of elevation of its centre is 60° and h is the height of the centre of the balloon, then which one of the following is correct?
Miscellaneous · Easy
The main source of energy in Sun is :
Miscellaneous · Easy
Match the underlined word in each of the sentences with the correct parts of speech and indicate your response on the answer sheet accordingly. Oh no! I am getting late for the function.
Miscellaneous · Easy
The first and sixth sentences are given as S1 and S6. The middle four sentences in each have been jumbled up and labelled as P, Q, R and S. You are required to find the proper sequence of the four sentences and mark your response accordingly S1: Our Constitution makers were fully conscious of the fact that the Scheduled Castes and Scheduled Tribes had been oppressed and underprivileged sections of our society over the centuries and they deserved a special dispensation so that their condition may be vastly improved. P: Similarly, they were also sensitive of the difficulties and problems which were likely to be faced by the persons belonging to the Anglo-Indian community in the country. Q: One such provision related to the reservation of seats for these communities in the Lok Sabha and State Legislative Assemblies. R: This provision found place in Article 330 and Article 332 of the Constitution. S: For this purpose, several special provisions were incorporated in our Constitution. S6: Consequently, adequate safeguards were provided for these communities in our Constitution. The correct sequence should be:
Miscellaneous · Easy