131. a,b,c are said to be in Harmonic Progression if their reciprocals 1/a, 1/b, 1/c are in Arithmetic progression. What would be the value of x for which 3, x, 6 are in Harmonic Progression. A. 4½ B. 4 C. 5 D. 5½ 132. Find the value of ∛∛∛∛........ A. 3 B. infinity C. 0 D.√3 133. Introducing a girl, Raj said, "Her mother is the only daughter of my mother-in-law". How is Raj related to the girl? A. Uncle B. Father C. Brother D. Husband 134. Product of two positive number is 34560. The LCM is sixty times of its GCD. Then the difference of LCM and GCD is A. 1416 B. 1424 C. 1460 D. 1464 135. Find the compound interest on Rs. 31,250 at 8% p.a for 3 years compounded annually? A. Rs. 8006 B. Rs. 8106 C. Rs. 8096 D. Rs. 8116 136. A number is increased by 10% and then decrease by 10%. Find the net decrease percent. A. 0% B. 1% C. 2% D. 3% 137. _______ river is called the 'Red river' of India. A. Ganga B. Kosi C. Damodar D. Brahmaputra 138. Identify the incorrect statement from the following in respect of seismic waves A. Primary waves pass through liquid and solid B. Primary waves are highly destructive C. Secondary waves cannot pass through liquid D. Surface waves are long waves 139. Tea gardens over small mounds of this region is called as 'Bheels' A. Brahmaputra valley of Assam B. Surma valley of Assam C. Western Ghats of Tamil Nadu D. Western Ghats of Kerala 140. Match List - I with List - II: List - I - List - II International Airport - City a. Dr. Babasaheb Ambedkar 1. Gauwahati b. Ch. Charan Singh 2. Varanasi c. Lai Bahadur Sastri 3. Lucknow d. Lokpriya Gopinath Bordolio 4. Nagpur _abcd A.4213 B.3241 C.3421 D.4321